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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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staging: exfat: Clean up the namespace pollution part 7
Global functions called 'buf*' are a linkage editor disaster waiting to happen. Rename our buf_* functions to exfat_buf_* Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Link: https://lore.kernel.org/r/20191112211238.156490-12-Valdis.Kletnieks@vt.edu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valdis Kletnieks
Greg Kroah-Hartman
parent
e5a490e037
commit
99a4b13528
@ -737,21 +737,21 @@ void nls_cstring_to_uniname(struct super_block *sb,
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bool *p_lossy);
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/* buffer cache management */
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void buf_init(struct super_block *sb);
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void buf_shutdown(struct super_block *sb);
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void exfat_buf_init(struct super_block *sb);
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void exfat_buf_shutdown(struct super_block *sb);
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int FAT_read(struct super_block *sb, u32 loc, u32 *content);
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s32 FAT_write(struct super_block *sb, u32 loc, u32 content);
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u8 *FAT_getblk(struct super_block *sb, sector_t sec);
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void FAT_modify(struct super_block *sb, sector_t sec);
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void FAT_release_all(struct super_block *sb);
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void FAT_sync(struct super_block *sb);
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u8 *buf_getblk(struct super_block *sb, sector_t sec);
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void buf_modify(struct super_block *sb, sector_t sec);
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void buf_lock(struct super_block *sb, sector_t sec);
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void buf_unlock(struct super_block *sb, sector_t sec);
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void buf_release(struct super_block *sb, sector_t sec);
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void buf_release_all(struct super_block *sb);
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void buf_sync(struct super_block *sb);
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u8 *exfat_buf_getblk(struct super_block *sb, sector_t sec);
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void exfat_buf_modify(struct super_block *sb, sector_t sec);
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void exfat_buf_lock(struct super_block *sb, sector_t sec);
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void exfat_buf_unlock(struct super_block *sb, sector_t sec);
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void exfat_buf_release(struct super_block *sb, sector_t sec);
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void exfat_buf_release_all(struct super_block *sb);
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void exfat_buf_sync(struct super_block *sb);
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/* fs management functions */
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void fs_set_vol_flags(struct super_block *sb, u32 new_flag);
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@ -128,7 +128,7 @@ static void buf_cache_remove_hash(struct buf_cache_t *bp)
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(bp->hash_next)->hash_prev = bp->hash_prev;
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}
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void buf_init(struct super_block *sb)
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void exfat_buf_init(struct super_block *sb)
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{
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struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
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@ -189,7 +189,7 @@ void buf_init(struct super_block *sb)
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buf_cache_insert_hash(sb, &p_fs->buf_cache_array[i]);
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}
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void buf_shutdown(struct super_block *sb)
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void exfat_buf_shutdown(struct super_block *sb)
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{
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}
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@ -392,7 +392,7 @@ static struct buf_cache_t *buf_cache_get(struct super_block *sb, sector_t sec)
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return bp;
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}
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static u8 *__buf_getblk(struct super_block *sb, sector_t sec)
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static u8 *__exfat_buf_getblk(struct super_block *sb, sector_t sec)
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{
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struct buf_cache_t *bp;
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struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
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@ -427,18 +427,18 @@ static u8 *__buf_getblk(struct super_block *sb, sector_t sec)
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return bp->buf_bh->b_data;
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}
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u8 *buf_getblk(struct super_block *sb, sector_t sec)
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u8 *exfat_buf_getblk(struct super_block *sb, sector_t sec)
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{
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u8 *buf;
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mutex_lock(&b_mutex);
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buf = __buf_getblk(sb, sec);
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buf = __exfat_buf_getblk(sb, sec);
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mutex_unlock(&b_mutex);
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return buf;
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}
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void buf_modify(struct super_block *sb, sector_t sec)
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void exfat_buf_modify(struct super_block *sb, sector_t sec)
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{
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struct buf_cache_t *bp;
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@ -454,7 +454,7 @@ void buf_modify(struct super_block *sb, sector_t sec)
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mutex_unlock(&b_mutex);
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}
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void buf_lock(struct super_block *sb, sector_t sec)
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void exfat_buf_lock(struct super_block *sb, sector_t sec)
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{
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struct buf_cache_t *bp;
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@ -470,7 +470,7 @@ void buf_lock(struct super_block *sb, sector_t sec)
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mutex_unlock(&b_mutex);
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}
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void buf_unlock(struct super_block *sb, sector_t sec)
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void exfat_buf_unlock(struct super_block *sb, sector_t sec)
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{
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struct buf_cache_t *bp;
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@ -486,7 +486,7 @@ void buf_unlock(struct super_block *sb, sector_t sec)
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mutex_unlock(&b_mutex);
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}
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void buf_release(struct super_block *sb, sector_t sec)
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void exfat_buf_release(struct super_block *sb, sector_t sec)
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{
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struct buf_cache_t *bp;
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struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
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@ -510,7 +510,7 @@ void buf_release(struct super_block *sb, sector_t sec)
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mutex_unlock(&b_mutex);
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}
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void buf_release_all(struct super_block *sb)
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void exfat_buf_release_all(struct super_block *sb)
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{
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struct buf_cache_t *bp;
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struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
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@ -535,7 +535,7 @@ void buf_release_all(struct super_block *sb)
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mutex_unlock(&b_mutex);
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}
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void buf_sync(struct super_block *sb)
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void exfat_buf_sync(struct super_block *sb)
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{
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struct buf_cache_t *bp;
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struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
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@ -352,7 +352,7 @@ static void exfat_free_cluster(struct super_block *sb, struct chain_t *p_chain,
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if (do_relse) {
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sector = START_SECTOR(clu);
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for (i = 0; i < p_fs->sectors_per_clu; i++)
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buf_release(sb, sector + i);
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exfat_buf_release(sb, sector + i);
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}
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if (clr_alloc_bitmap(sb, clu - 2) != 0)
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@ -369,7 +369,7 @@ static void exfat_free_cluster(struct super_block *sb, struct chain_t *p_chain,
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if (do_relse) {
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sector = START_SECTOR(clu);
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for (i = 0; i < p_fs->sectors_per_clu; i++)
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buf_release(sb, sector + i);
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exfat_buf_release(sb, sector + i);
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}
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if (clr_alloc_bitmap(sb, clu - 2) != 0)
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@ -1032,10 +1032,10 @@ static s32 exfat_init_dir_entry(struct super_block *sb, struct chain_t *p_dir,
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return -ENOENT;
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init_file_entry(file_ep, type);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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init_strm_entry(strm_ep, flags, start_clu, size);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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return 0;
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}
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@ -1058,7 +1058,7 @@ static s32 exfat_init_ext_entry(struct super_block *sb, struct chain_t *p_dir,
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return -ENOENT;
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file_ep->num_ext = (u8)(num_entries - 1);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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strm_ep = (struct strm_dentry_t *)get_entry_in_dir(sb, p_dir, entry + 1,
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§or);
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@ -1067,7 +1067,7 @@ static s32 exfat_init_ext_entry(struct super_block *sb, struct chain_t *p_dir,
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strm_ep->name_len = p_uniname->name_len;
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SET16_A(strm_ep->name_hash, p_uniname->name_hash);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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for (i = 2; i < num_entries; i++) {
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name_ep = (struct name_dentry_t *)get_entry_in_dir(sb, p_dir,
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@ -1077,7 +1077,7 @@ static s32 exfat_init_ext_entry(struct super_block *sb, struct chain_t *p_dir,
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return -ENOENT;
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init_name_entry(name_ep, uniname);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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uniname += 15;
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}
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@ -1100,7 +1100,7 @@ static void exfat_delete_dir_entry(struct super_block *sb, struct chain_t *p_dir
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return;
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p_fs->fs_func->set_entry_type(ep, TYPE_DELETED);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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}
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}
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@ -1118,7 +1118,7 @@ void update_dir_checksum(struct super_block *sb, struct chain_t *p_dir,
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if (!file_ep)
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return;
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buf_lock(sb, sector);
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exfat_buf_lock(sb, sector);
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num_entries = (s32)file_ep->num_ext + 1;
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chksum = calc_checksum_2byte((void *)file_ep, DENTRY_SIZE, 0,
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@ -1127,7 +1127,7 @@ void update_dir_checksum(struct super_block *sb, struct chain_t *p_dir,
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for (i = 1; i < num_entries; i++) {
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ep = get_entry_in_dir(sb, p_dir, entry + i, NULL);
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if (!ep) {
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buf_unlock(sb, sector);
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exfat_buf_unlock(sb, sector);
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return;
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}
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@ -1136,8 +1136,8 @@ void update_dir_checksum(struct super_block *sb, struct chain_t *p_dir,
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}
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SET16_A(file_ep->checksum, chksum);
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buf_modify(sb, sector);
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buf_unlock(sb, sector);
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exfat_buf_modify(sb, sector);
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exfat_buf_unlock(sb, sector);
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}
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static s32 __write_partial_entries_in_entry_set(struct super_block *sb,
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@ -1161,7 +1161,7 @@ static s32 __write_partial_entries_in_entry_set(struct super_block *sb,
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copy_entries = min_t(s32,
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remaining_byte_in_sector >> DENTRY_SIZE_BITS,
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num_entries);
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buf = buf_getblk(sb, sec);
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buf = exfat_buf_getblk(sb, sec);
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if (!buf)
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goto err_out;
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pr_debug("es->buf %p buf_off %u\n", esbuf, buf_off);
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@ -1170,7 +1170,7 @@ static s32 __write_partial_entries_in_entry_set(struct super_block *sb,
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(unsigned long long)sec);
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memcpy(buf + off, esbuf + buf_off,
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copy_entries << DENTRY_SIZE_BITS);
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buf_modify(sb, sec);
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exfat_buf_modify(sb, sec);
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num_entries -= copy_entries;
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if (num_entries) {
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@ -1295,7 +1295,7 @@ struct dentry_t *get_entry_in_dir(struct super_block *sb, struct chain_t *p_dir,
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if (find_location(sb, p_dir, entry, &sec, &off) != 0)
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return NULL;
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buf = buf_getblk(sb, sec);
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buf = exfat_buf_getblk(sb, sec);
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if (!buf)
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return NULL;
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@ -1359,7 +1359,7 @@ struct entry_set_cache_t *get_entry_set_in_dir(struct super_block *sb,
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sec = byte_offset >> p_bd->sector_size_bits;
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sec += START_SECTOR(clu);
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buf = buf_getblk(sb, sec);
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buf = exfat_buf_getblk(sb, sec);
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if (!buf)
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goto err_out;
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@ -1457,7 +1457,7 @@ struct entry_set_cache_t *get_entry_set_in_dir(struct super_block *sb,
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} else {
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sec++;
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}
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buf = buf_getblk(sb, sec);
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buf = exfat_buf_getblk(sb, sec);
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if (!buf)
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goto err_out;
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off = 0;
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@ -1649,7 +1649,7 @@ static s32 find_empty_entry(struct inode *inode, struct chain_t *p_dir, s32 num_
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return -ENOENT;
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p_fs->fs_func->set_entry_size(ep, size);
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p_fs->fs_func->set_entry_flag(ep, p_dir->flags);
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buf_modify(sb, sector);
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exfat_buf_modify(sb, sector);
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update_dir_checksum(sb, &fid->dir,
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fid->entry);
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@ -2341,17 +2341,17 @@ void remove_file(struct inode *inode, struct chain_t *p_dir, s32 entry)
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if (!ep)
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return;
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buf_lock(sb, sector);
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exfat_buf_lock(sb, sector);
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/* buf_lock() before call count_ext_entries() */
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/* exfat_buf_lock() before call count_ext_entries() */
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num_entries = fs_func->count_ext_entries(sb, p_dir, entry, ep);
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if (num_entries < 0) {
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buf_unlock(sb, sector);
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exfat_buf_unlock(sb, sector);
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return;
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}
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num_entries++;
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buf_unlock(sb, sector);
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exfat_buf_unlock(sb, sector);
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/* (1) update the directory entry */
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fs_func->delete_dir_entry(sb, p_dir, entry, 0, num_entries);
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@ -2372,13 +2372,13 @@ s32 rename_file(struct inode *inode, struct chain_t *p_dir, s32 oldentry,
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if (!epold)
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return -ENOENT;
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buf_lock(sb, sector_old);
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exfat_buf_lock(sb, sector_old);
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/* buf_lock() before call count_ext_entries() */
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/* exfat_buf_lock() before call count_ext_entries() */
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num_old_entries = fs_func->count_ext_entries(sb, p_dir, oldentry,
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epold);
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if (num_old_entries < 0) {
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buf_unlock(sb, sector_old);
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exfat_buf_unlock(sb, sector_old);
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return -ENOENT;
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}
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num_old_entries++;
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@ -2386,20 +2386,20 @@ s32 rename_file(struct inode *inode, struct chain_t *p_dir, s32 oldentry,
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ret = get_num_entries_and_dos_name(sb, p_dir, p_uniname,
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&num_new_entries, &dos_name);
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if (ret) {
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buf_unlock(sb, sector_old);
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exfat_buf_unlock(sb, sector_old);
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return ret;
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}
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if (num_old_entries < num_new_entries) {
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newentry = find_empty_entry(inode, p_dir, num_new_entries);
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if (newentry < 0) {
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buf_unlock(sb, sector_old);
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exfat_buf_unlock(sb, sector_old);
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return -ENOSPC;
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}
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epnew = get_entry_in_dir(sb, p_dir, newentry, §or_new);
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if (!epnew) {
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buf_unlock(sb, sector_old);
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exfat_buf_unlock(sb, sector_old);
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return -ENOENT;
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}
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@ -2410,23 +2410,23 @@ s32 rename_file(struct inode *inode, struct chain_t *p_dir, s32 oldentry,
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ATTR_ARCHIVE);
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fid->attr |= ATTR_ARCHIVE;
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}
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buf_modify(sb, sector_new);
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buf_unlock(sb, sector_old);
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exfat_buf_modify(sb, sector_new);
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exfat_buf_unlock(sb, sector_old);
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epold = get_entry_in_dir(sb, p_dir, oldentry + 1,
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§or_old);
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buf_lock(sb, sector_old);
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exfat_buf_lock(sb, sector_old);
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epnew = get_entry_in_dir(sb, p_dir, newentry + 1,
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§or_new);
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if (!epold || !epnew) {
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buf_unlock(sb, sector_old);
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exfat_buf_unlock(sb, sector_old);
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return -ENOENT;
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}
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memcpy((void *)epnew, (void *)epold, DENTRY_SIZE);
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buf_modify(sb, sector_new);
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buf_unlock(sb, sector_old);
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exfat_buf_modify(sb, sector_new);
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exfat_buf_unlock(sb, sector_old);
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ret = fs_func->init_ext_entry(sb, p_dir, newentry,
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num_new_entries, p_uniname,
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@ -2444,8 +2444,8 @@ s32 rename_file(struct inode *inode, struct chain_t *p_dir, s32 oldentry,
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ATTR_ARCHIVE);
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fid->attr |= ATTR_ARCHIVE;
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}
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buf_modify(sb, sector_old);
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buf_unlock(sb, sector_old);
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exfat_buf_modify(sb, sector_old);
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exfat_buf_unlock(sb, sector_old);
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ret = fs_func->init_ext_entry(sb, p_dir, oldentry,
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num_new_entries, p_uniname,
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@ -2481,13 +2481,13 @@ s32 move_file(struct inode *inode, struct chain_t *p_olddir, s32 oldentry,
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fs_func->get_entry_clu0(epmov) == p_newdir->dir)
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return -EINVAL;
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buf_lock(sb, sector_mov);
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exfat_buf_lock(sb, sector_mov);
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/* buf_lock() before call count_ext_entries() */
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/* exfat_buf_lock() before call count_ext_entries() */
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num_old_entries = fs_func->count_ext_entries(sb, p_olddir, oldentry,
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epmov);
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if (num_old_entries < 0) {
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buf_unlock(sb, sector_mov);
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exfat_buf_unlock(sb, sector_mov);
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return -ENOENT;
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}
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num_old_entries++;
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@ -2495,19 +2495,19 @@ s32 move_file(struct inode *inode, struct chain_t *p_olddir, s32 oldentry,
|
||||
ret = get_num_entries_and_dos_name(sb, p_newdir, p_uniname,
|
||||
&num_new_entries, &dos_name);
|
||||
if (ret) {
|
||||
buf_unlock(sb, sector_mov);
|
||||
exfat_buf_unlock(sb, sector_mov);
|
||||
return ret;
|
||||
}
|
||||
|
||||
newentry = find_empty_entry(inode, p_newdir, num_new_entries);
|
||||
if (newentry < 0) {
|
||||
buf_unlock(sb, sector_mov);
|
||||
exfat_buf_unlock(sb, sector_mov);
|
||||
return -ENOSPC;
|
||||
}
|
||||
|
||||
epnew = get_entry_in_dir(sb, p_newdir, newentry, §or_new);
|
||||
if (!epnew) {
|
||||
buf_unlock(sb, sector_mov);
|
||||
exfat_buf_unlock(sb, sector_mov);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
@ -2517,22 +2517,22 @@ s32 move_file(struct inode *inode, struct chain_t *p_olddir, s32 oldentry,
|
||||
ATTR_ARCHIVE);
|
||||
fid->attr |= ATTR_ARCHIVE;
|
||||
}
|
||||
buf_modify(sb, sector_new);
|
||||
buf_unlock(sb, sector_mov);
|
||||
exfat_buf_modify(sb, sector_new);
|
||||
exfat_buf_unlock(sb, sector_mov);
|
||||
|
||||
epmov = get_entry_in_dir(sb, p_olddir, oldentry + 1,
|
||||
§or_mov);
|
||||
buf_lock(sb, sector_mov);
|
||||
exfat_buf_lock(sb, sector_mov);
|
||||
epnew = get_entry_in_dir(sb, p_newdir, newentry + 1,
|
||||
§or_new);
|
||||
if (!epmov || !epnew) {
|
||||
buf_unlock(sb, sector_mov);
|
||||
exfat_buf_unlock(sb, sector_mov);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
memcpy((void *)epnew, (void *)epmov, DENTRY_SIZE);
|
||||
buf_modify(sb, sector_new);
|
||||
buf_unlock(sb, sector_mov);
|
||||
exfat_buf_modify(sb, sector_new);
|
||||
exfat_buf_unlock(sb, sector_mov);
|
||||
|
||||
ret = fs_func->init_ext_entry(sb, p_newdir, newentry, num_new_entries,
|
||||
p_uniname, &dos_name);
|
||||
|
||||
@ -355,7 +355,7 @@ static int ffsMountVol(struct super_block *sb)
|
||||
|
||||
mutex_lock(&z_mutex);
|
||||
|
||||
buf_init(sb);
|
||||
exfat_buf_init(sb);
|
||||
|
||||
mutex_init(&p_fs->v_mutex);
|
||||
p_fs->dev_ejected = 0;
|
||||
@ -458,7 +458,7 @@ static int ffsUmountVol(struct super_block *sb)
|
||||
free_alloc_bitmap(sb);
|
||||
|
||||
FAT_release_all(sb);
|
||||
buf_release_all(sb);
|
||||
exfat_buf_release_all(sb);
|
||||
|
||||
/* close the block device */
|
||||
exfat_bdev_close(sb);
|
||||
@ -468,7 +468,7 @@ static int ffsUmountVol(struct super_block *sb)
|
||||
err = -EIO;
|
||||
}
|
||||
|
||||
buf_shutdown(sb);
|
||||
exfat_buf_shutdown(sb);
|
||||
|
||||
/* release the lock for file system critical section */
|
||||
mutex_unlock(&p_fs->v_mutex);
|
||||
@ -1921,7 +1921,7 @@ static int ffsReadDir(struct inode *inode, struct dir_entry_t *dir_entry)
|
||||
if ((type != TYPE_FILE) && (type != TYPE_DIR))
|
||||
continue;
|
||||
|
||||
buf_lock(sb, sector);
|
||||
exfat_buf_lock(sb, sector);
|
||||
dir_entry->Attr = fs_func->get_entry_attr(ep);
|
||||
|
||||
fs_func->get_entry_time(ep, &tm, TM_CREATE);
|
||||
@ -1949,7 +1949,7 @@ static int ffsReadDir(struct inode *inode, struct dir_entry_t *dir_entry)
|
||||
fs_func->get_uni_name_from_ext_entry(sb, &dir, dentry,
|
||||
uni_name.name);
|
||||
nls_uniname_to_cstring(sb, dir_entry->Name, &uni_name);
|
||||
buf_unlock(sb, sector);
|
||||
exfat_buf_unlock(sb, sector);
|
||||
|
||||
ep = get_entry_in_dir(sb, &clu, i + 1, NULL);
|
||||
if (!ep) {
|
||||
@ -3822,7 +3822,7 @@ static void exfat_debug_kill_sb(struct super_block *sb)
|
||||
*/
|
||||
mutex_lock(&p_fs->v_mutex);
|
||||
FAT_release_all(sb);
|
||||
buf_release_all(sb);
|
||||
exfat_buf_release_all(sb);
|
||||
mutex_unlock(&p_fs->v_mutex);
|
||||
|
||||
invalidate_bdev(bdev);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user