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ext4: make ext_debug() implementation to use pr_debug()

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ext_debug() msgs could be helpful, provided those could be enabled
without recompiling kernel and also if we could selectively enable
only required prints for case by case debugging.

So make ext_debug() implementation use pr_debug().
Also change ext_debug() to be defined with CONFIG_EXT4_DEBUG.
So EXT_DEBUG macro now mostly remain for below 3 functions.
ext4_ext_show_path/leaf/move() (whose print msgs use ext_debug()
which again could be dynamically enabled using pr_debug())

This also changes the ext_debug() to take inode as a parameter
to add inode no. in all of it's msgs.
Prints additional info like process name / pid, superblock id etc.
This also removes any explicit function names passed in ext_debug().
Since ext_debug() on it's own prints file, func and line no.

Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/d31dc189b0aeda9384fe7665e36da7cd8c61571f.1589086800.git.riteshh@linux.ibm.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Ritesh Harjani 2020-05-10 11:54:55 +05:30 committed by Theodore Ts'o
parent d3df14535f
commit 70aa1554b0
4 changed files with 88 additions and 89 deletions
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2
fs/ext4/Kconfig
View File

@ -99,7 +99,7 @@ config EXT4_DEBUG
Enables run-time debugging support for the ext4 filesystem.
If you select Y here, then you will be able to turn on debugging
using dynamic debug control for mb_debug() msgs.
using dynamic debug control for mb_debug() / ext_debug() msgs.
config EXT4_KUNIT_TESTS
tristate "KUnit tests for ext4"

18
fs/ext4/ext4.h
View File

@ -80,14 +80,22 @@
#define ext4_debug(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#endif
/*
* Turn on EXT_DEBUG to get lots of info about extents operations.
/*
* Turn on EXT_DEBUG to enable ext4_ext_show_path/leaf/move in extents.c
*/
#define EXT_DEBUG__
#ifdef EXT_DEBUG
#define ext_debug(fmt, ...) printk(fmt, ##__VA_ARGS__)
/*
* Dynamic printk for controlled extents debugging.
*/
#ifdef CONFIG_EXT4_DEBUG
#define ext_debug(ino, fmt, ...) \
pr_debug("[%s/%d] EXT4-fs (%s): ino %lu: (%s, %d): %s:" fmt, \
current->comm, task_pid_nr(current), \
ino->i_sb->s_id, ino->i_ino, __FILE__, __LINE__, \
__func__, ##__VA_ARGS__)
#else
#define ext_debug(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#define ext_debug(ino, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#endif
/* data type for block offset of block group */

138
fs/ext4/extents.c
View File

@ -607,22 +607,22 @@ static void ext4_ext_show_path(struct inode *inode, struct ext4_ext_path *path)
{
int k, l = path->p_depth;
ext_debug("path:");
ext_debug(inode, "path:");
for (k = 0; k <= l; k++, path++) {
if (path->p_idx) {
ext_debug(" %d->%llu",
ext_debug(inode, " %d->%llu",
le32_to_cpu(path->p_idx->ei_block),
ext4_idx_pblock(path->p_idx));
} else if (path->p_ext) {
ext_debug(" %d:[%d]%d:%llu ",
ext_debug(inode, " %d:[%d]%d:%llu ",
le32_to_cpu(path->p_ext->ee_block),
ext4_ext_is_unwritten(path->p_ext),
ext4_ext_get_actual_len(path->p_ext),
ext4_ext_pblock(path->p_ext));
} else
ext_debug(" []");
ext_debug(inode, " []");
}
ext_debug("\n");
ext_debug(inode, "\n");
}
static void ext4_ext_show_leaf(struct inode *inode, struct ext4_ext_path *path)
@ -638,14 +638,14 @@ static void ext4_ext_show_leaf(struct inode *inode, struct ext4_ext_path *path)
eh = path[depth].p_hdr;
ex = EXT_FIRST_EXTENT(eh);
ext_debug("Displaying leaf extents for inode %lu\n", inode->i_ino);
ext_debug(inode, "Displaying leaf extents\n");
for (i = 0; i < le16_to_cpu(eh->eh_entries); i++, ex++) {
ext_debug("%d:[%d]%d:%llu ", le32_to_cpu(ex->ee_block),
ext_debug(inode, "%d:[%d]%d:%llu ", le32_to_cpu(ex->ee_block),
ext4_ext_is_unwritten(ex),
ext4_ext_get_actual_len(ex), ext4_ext_pblock(ex));
}
ext_debug("\n");
ext_debug(inode, "\n");
}
static void ext4_ext_show_move(struct inode *inode, struct ext4_ext_path *path,
@ -658,10 +658,9 @@ static void ext4_ext_show_move(struct inode *inode, struct ext4_ext_path *path,
struct ext4_extent_idx *idx;
idx = path[level].p_idx;
while (idx <= EXT_MAX_INDEX(path[level].p_hdr)) {
ext_debug("%d: move %d:%llu in new index %llu\n", level,
le32_to_cpu(idx->ei_block),
ext4_idx_pblock(idx),
newblock);
ext_debug(inode, "%d: move %d:%llu in new index %llu\n",
level, le32_to_cpu(idx->ei_block),
ext4_idx_pblock(idx), newblock);
idx++;
}
@ -670,7 +669,7 @@ static void ext4_ext_show_move(struct inode *inode, struct ext4_ext_path *path,
ex = path[depth].p_ext;
while (ex <= EXT_MAX_EXTENT(path[depth].p_hdr)) {
ext_debug("move %d:%llu:[%d]%d in new leaf %llu\n",
ext_debug(inode, "move %d:%llu:[%d]%d in new leaf %llu\n",
le32_to_cpu(ex->ee_block),
ext4_ext_pblock(ex),
ext4_ext_is_unwritten(ex),
@ -714,7 +713,7 @@ ext4_ext_binsearch_idx(struct inode *inode,
struct ext4_extent_idx *r, *l, *m;
ext_debug("binsearch for %u(idx): ", block);
ext_debug(inode, "binsearch for %u(idx): ", block);
l = EXT_FIRST_INDEX(eh) + 1;
r = EXT_LAST_INDEX(eh);
@ -724,13 +723,13 @@ ext4_ext_binsearch_idx(struct inode *inode,
r = m - 1;
else
l = m + 1;
ext_debug("%p(%u):%p(%u):%p(%u) ", l, le32_to_cpu(l->ei_block),
m, le32_to_cpu(m->ei_block),
ext_debug(inode, "%p(%u):%p(%u):%p(%u) ", l,
le32_to_cpu(l->ei_block), m, le32_to_cpu(m->ei_block),
r, le32_to_cpu(r->ei_block));
}
path->p_idx = l - 1;
ext_debug(" -> %u->%lld ", le32_to_cpu(path->p_idx->ei_block),
ext_debug(inode, " -> %u->%lld ", le32_to_cpu(path->p_idx->ei_block),
ext4_idx_pblock(path->p_idx));
#ifdef CHECK_BINSEARCH
@ -781,7 +780,7 @@ ext4_ext_binsearch(struct inode *inode,
return;
}
ext_debug("binsearch for %u: ", block);
ext_debug(inode, "binsearch for %u: ", block);
l = EXT_FIRST_EXTENT(eh) + 1;
r = EXT_LAST_EXTENT(eh);
@ -792,13 +791,13 @@ ext4_ext_binsearch(struct inode *inode,
r = m - 1;
else
l = m + 1;
ext_debug("%p(%u):%p(%u):%p(%u) ", l, le32_to_cpu(l->ee_block),
m, le32_to_cpu(m->ee_block),
ext_debug(inode, "%p(%u):%p(%u):%p(%u) ", l,
le32_to_cpu(l->ee_block), m, le32_to_cpu(m->ee_block),
r, le32_to_cpu(r->ee_block));
}
path->p_ext = l - 1;
ext_debug(" -> %d:%llu:[%d]%d ",
ext_debug(inode, " -> %d:%llu:[%d]%d ",
le32_to_cpu(path->p_ext->ee_block),
ext4_ext_pblock(path->p_ext),
ext4_ext_is_unwritten(path->p_ext),
@ -881,7 +880,7 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block,
ext4_cache_extents(inode, eh);
/* walk through the tree */
while (i) {
ext_debug("depth %d: num %d, max %d\n",
ext_debug(inode, "depth %d: num %d, max %d\n",
ppos, le16_to_cpu(eh->eh_entries), le16_to_cpu(eh->eh_max));
ext4_ext_binsearch_idx(inode, path + ppos, block);
@ -958,18 +957,20 @@ static int ext4_ext_insert_index(handle_t *handle, struct inode *inode,
if (logical > le32_to_cpu(curp->p_idx->ei_block)) {
/* insert after */
ext_debug("insert new index %d after: %llu\n", logical, ptr);
ext_debug(inode, "insert new index %d after: %llu\n",
logical, ptr);
ix = curp->p_idx + 1;
} else {
/* insert before */
ext_debug("insert new index %d before: %llu\n", logical, ptr);
ext_debug(inode, "insert new index %d before: %llu\n",
logical, ptr);
ix = curp->p_idx;
}
len = EXT_LAST_INDEX(curp->p_hdr) - ix + 1;
BUG_ON(len < 0);
if (len > 0) {
ext_debug("insert new index %d: "
ext_debug(inode, "insert new index %d: "
"move %d indices from 0x%p to 0x%p\n",
logical, len, ix, ix + 1);
memmove(ix + 1, ix, len * sizeof(struct ext4_extent_idx));
@ -1036,12 +1037,12 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
}
if (path[depth].p_ext != EXT_MAX_EXTENT(path[depth].p_hdr)) {
border = path[depth].p_ext[1].ee_block;
ext_debug("leaf will be split."
ext_debug(inode, "leaf will be split."
" next leaf starts at %d\n",
le32_to_cpu(border));
} else {
border = newext->ee_block;
ext_debug("leaf will be added."
ext_debug(inode, "leaf will be added."
" next leaf starts at %d\n",
le32_to_cpu(border));
}
@ -1063,7 +1064,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
return -ENOMEM;
/* allocate all needed blocks */
ext_debug("allocate %d blocks for indexes/leaf\n", depth - at);
ext_debug(inode, "allocate %d blocks for indexes/leaf\n", depth - at);
for (a = 0; a < depth - at; a++) {
newblock = ext4_ext_new_meta_block(handle, inode, path,
newext, &err, flags);
@ -1149,7 +1150,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
goto cleanup;
}
if (k)
ext_debug("create %d intermediate indices\n", k);
ext_debug(inode, "create %d intermediate indices\n", k);
/* insert new index into current index block */
/* current depth stored in i var */
i = depth - 1;
@ -1176,7 +1177,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
fidx->ei_block = border;
ext4_idx_store_pblock(fidx, oldblock);
ext_debug("int.index at %d (block %llu): %u -> %llu\n",
ext_debug(inode, "int.index at %d (block %llu): %u -> %llu\n",
i, newblock, le32_to_cpu(border), oldblock);
/* move remainder of path[i] to the new index block */
@ -1190,7 +1191,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
}
/* start copy indexes */
m = EXT_MAX_INDEX(path[i].p_hdr) - path[i].p_idx++;
ext_debug("cur 0x%p, last 0x%p\n", path[i].p_idx,
ext_debug(inode, "cur 0x%p, last 0x%p\n", path[i].p_idx,
EXT_MAX_INDEX(path[i].p_hdr));
ext4_ext_show_move(inode, path, newblock, i);
if (m) {
@ -1327,7 +1328,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
EXT_FIRST_INDEX(neh)->ei_block =
EXT_FIRST_EXTENT(neh)->ee_block;
}
ext_debug("new root: num %d(%d), lblock %d, ptr %llu\n",
ext_debug(inode, "new root: num %d(%d), lblock %d, ptr %llu\n",
le16_to_cpu(neh->eh_entries), le16_to_cpu(neh->eh_max),
le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),
ext4_idx_pblock(EXT_FIRST_INDEX(neh)));
@ -1969,7 +1970,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
/* Try to append newex to the ex */
if (ext4_can_extents_be_merged(inode, ex, newext)) {
ext_debug("append [%d]%d block to %u:[%d]%d"
ext_debug(inode, "append [%d]%d block to %u:[%d]%d"
"(from %llu)\n",
ext4_ext_is_unwritten(newext),
ext4_ext_get_actual_len(newext),
@ -1994,7 +1995,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
prepend:
/* Try to prepend newex to the ex */
if (ext4_can_extents_be_merged(inode, newext, ex)) {
ext_debug("prepend %u[%d]%d block to %u:[%d]%d"
ext_debug(inode, "prepend %u[%d]%d block to %u:[%d]%d"
"(from %llu)\n",
le32_to_cpu(newext->ee_block),
ext4_ext_is_unwritten(newext),
@ -2032,7 +2033,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
if (le32_to_cpu(newext->ee_block) > le32_to_cpu(fex->ee_block))
next = ext4_ext_next_leaf_block(path);
if (next != EXT_MAX_BLOCKS) {
ext_debug("next leaf block - %u\n", next);
ext_debug(inode, "next leaf block - %u\n", next);
BUG_ON(npath != NULL);
npath = ext4_find_extent(inode, next, NULL, gb_flags);
if (IS_ERR(npath))
@ -2040,12 +2041,12 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
BUG_ON(npath->p_depth != path->p_depth);
eh = npath[depth].p_hdr;
if (le16_to_cpu(eh->eh_entries) < le16_to_cpu(eh->eh_max)) {
ext_debug("next leaf isn't full(%d)\n",
ext_debug(inode, "next leaf isn't full(%d)\n",
le16_to_cpu(eh->eh_entries));
path = npath;
goto has_space;
}
ext_debug("next leaf has no free space(%d,%d)\n",
ext_debug(inode, "next leaf has no free space(%d,%d)\n",
le16_to_cpu(eh->eh_entries), le16_to_cpu(eh->eh_max));
}
@ -2071,7 +2072,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
if (!nearex) {
/* there is no extent in this leaf, create first one */
ext_debug("first extent in the leaf: %u:%llu:[%d]%d\n",
ext_debug(inode, "first extent in the leaf: %u:%llu:[%d]%d\n",
le32_to_cpu(newext->ee_block),
ext4_ext_pblock(newext),
ext4_ext_is_unwritten(newext),
@ -2081,7 +2082,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
if (le32_to_cpu(newext->ee_block)
> le32_to_cpu(nearex->ee_block)) {
/* Insert after */
ext_debug("insert %u:%llu:[%d]%d before: "
ext_debug(inode, "insert %u:%llu:[%d]%d before: "
"nearest %p\n",
le32_to_cpu(newext->ee_block),
ext4_ext_pblock(newext),
@ -2092,7 +2093,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
} else {
/* Insert before */
BUG_ON(newext->ee_block == nearex->ee_block);
ext_debug("insert %u:%llu:[%d]%d after: "
ext_debug(inode, "insert %u:%llu:[%d]%d after: "
"nearest %p\n",
le32_to_cpu(newext->ee_block),
ext4_ext_pblock(newext),
@ -2102,7 +2103,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
}
len = EXT_LAST_EXTENT(eh) - nearex + 1;
if (len > 0) {
ext_debug("insert %u:%llu:[%d]%d: "
ext_debug(inode, "insert %u:%llu:[%d]%d: "
"move %d extents from 0x%p to 0x%p\n",
le32_to_cpu(newext->ee_block),
ext4_ext_pblock(newext),
@ -2246,7 +2247,7 @@ ext4_ext_put_gap_in_cache(struct inode *inode, ext4_lblk_t hole_start,
return;
hole_len = min(es.es_lblk - hole_start, hole_len);
}
ext_debug(" -> %u:%u\n", hole_start, hole_len);
ext_debug(inode, " -> %u:%u\n", hole_start, hole_len);
ext4_es_insert_extent(inode, hole_start, hole_len, ~0,
EXTENT_STATUS_HOLE);
}
@ -2283,7 +2284,7 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
err = ext4_ext_dirty(handle, inode, path);
if (err)
return err;
ext_debug("index is empty, remove it, free block %llu\n", leaf);
ext_debug(inode, "index is empty, remove it, free block %llu\n", leaf);
trace_ext4_ext_rm_idx(inode, leaf);
ext4_free_blocks(handle, inode, NULL, leaf, 1,
@ -2562,7 +2563,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
ext4_fsblk_t pblk;
/* the header must be checked already in ext4_ext_remove_space() */
ext_debug("truncate since %u in leaf to %u\n", start, end);
ext_debug(inode, "truncate since %u in leaf to %u\n", start, end);
if (!path[depth].p_hdr)
path[depth].p_hdr = ext_block_hdr(path[depth].p_bh);
eh = path[depth].p_hdr;
@ -2588,7 +2589,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
else
unwritten = 0;
ext_debug("remove ext %u:[%d]%d\n", ex_ee_block,
ext_debug(inode, "remove ext %u:[%d]%d\n", ex_ee_block,
unwritten, ex_ee_len);
path[depth].p_ext = ex;
@ -2596,7 +2597,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
b = ex_ee_block+ex_ee_len - 1 < end ?
ex_ee_block+ex_ee_len - 1 : end;
ext_debug(" border %u:%u\n", a, b);
ext_debug(inode, " border %u:%u\n", a, b);
/* If this extent is beyond the end of the hole, skip it */
if (end < ex_ee_block) {
@ -2705,7 +2706,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
if (err)
goto out;
ext_debug("new extent: %u:%u:%llu\n", ex_ee_block, num,
ext_debug(inode, "new extent: %u:%u:%llu\n", ex_ee_block, num,
ext4_ext_pblock(ex));
ex--;
ex_ee_block = le32_to_cpu(ex->ee_block);
@ -2782,7 +2783,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
partial.lblk = 0;
partial.state = initial;
ext_debug("truncate since %u to %u\n", start, end);
ext_debug(inode, "truncate since %u to %u\n", start, end);
/* probably first extent we're gonna free will be last in block */
handle = ext4_journal_start_with_revoke(inode, EXT4_HT_TRUNCATE,
@ -2924,7 +2925,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
/* this is index block */
if (!path[i].p_hdr) {
ext_debug("initialize header\n");
ext_debug(inode, "initialize header\n");
path[i].p_hdr = ext_block_hdr(path[i].p_bh);
}
@ -2932,7 +2933,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
/* this level hasn't been touched yet */
path[i].p_idx = EXT_LAST_INDEX(path[i].p_hdr);
path[i].p_block = le16_to_cpu(path[i].p_hdr->eh_entries)+1;
ext_debug("init index ptr: hdr 0x%p, num %d\n",
ext_debug(inode, "init index ptr: hdr 0x%p, num %d\n",
path[i].p_hdr,
le16_to_cpu(path[i].p_hdr->eh_entries));
} else {
@ -2940,13 +2941,13 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
path[i].p_idx--;
}
ext_debug("level %d - index, first 0x%p, cur 0x%p\n",
ext_debug(inode, "level %d - index, first 0x%p, cur 0x%p\n",
i, EXT_FIRST_INDEX(path[i].p_hdr),
path[i].p_idx);
if (ext4_ext_more_to_rm(path + i)) {
struct buffer_head *bh;
/* go to the next level */
ext_debug("move to level %d (block %llu)\n",
ext_debug(inode, "move to level %d (block %llu)\n",
i + 1, ext4_idx_pblock(path[i].p_idx));
memset(path + i + 1, 0, sizeof(*path));
bh = read_extent_tree_block(inode,
@ -2982,7 +2983,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
brelse(path[i].p_bh);
path[i].p_bh = NULL;
i--;
ext_debug("return to level %d\n", i);
ext_debug(inode, "return to level %d\n", i);
}
}
@ -3150,8 +3151,7 @@ static int ext4_split_extent_at(handle_t *handle,
BUG_ON((split_flag & (EXT4_EXT_DATA_VALID1 | EXT4_EXT_DATA_VALID2)) ==
(EXT4_EXT_DATA_VALID1 | EXT4_EXT_DATA_VALID2));
ext_debug("ext4_split_extents_at: inode %lu, logical"
"block %llu\n", inode->i_ino, (unsigned long long)split);
ext_debug(inode, "logical block %llu\n", (unsigned long long)split);
ext4_ext_show_leaf(inode, path);
@ -3388,8 +3388,7 @@ static int ext4_ext_convert_to_initialized(handle_t *handle,
int err = 0;
int split_flag = EXT4_EXT_DATA_VALID2;
ext_debug("ext4_ext_convert_to_initialized: inode %lu, logical"
"block %llu, max_blocks %u\n", inode->i_ino,
ext_debug(inode, "logical block %llu, max_blocks %u\n",
(unsigned long long)map->m_lblk, map_len);
sbi = EXT4_SB(inode->i_sb);
@ -3642,8 +3641,7 @@ static int ext4_split_convert_extents(handle_t *handle,
unsigned int ee_len;
int split_flag = 0, depth;
ext_debug("%s: inode %lu, logical block %llu, max_blocks %u\n",
__func__, inode->i_ino,
ext_debug(inode, "logical block %llu, max_blocks %u\n",
(unsigned long long)map->m_lblk, map->m_len);
eof_block = (EXT4_I(inode)->i_disksize + inode->i_sb->s_blocksize - 1)
@ -3689,8 +3687,7 @@ static int ext4_convert_unwritten_extents_endio(handle_t *handle,
ee_block = le32_to_cpu(ex->ee_block);
ee_len = ext4_ext_get_actual_len(ex);
ext_debug("ext4_convert_unwritten_extents_endio: inode %lu, logical"
"block %llu, max_blocks %u\n", inode->i_ino,
ext_debug(inode, "logical block %llu, max_blocks %u\n",
(unsigned long long)ee_block, ee_len);
/* If extent is larger than requested it is a clear sign that we still
@ -3760,8 +3757,7 @@ convert_initialized_extent(handle_t *handle, struct inode *inode,
ee_block = le32_to_cpu(ex->ee_block);
ee_len = ext4_ext_get_actual_len(ex);
ext_debug("%s: inode %lu, logical"
"block %llu, max_blocks %u\n", __func__, inode->i_ino,
ext_debug(inode, "logical block %llu, max_blocks %u\n",
(unsigned long long)ee_block, ee_len);
if (ee_block != map->m_lblk || ee_len > map->m_len) {
@ -3817,10 +3813,9 @@ ext4_ext_handle_unwritten_extents(handle_t *handle, struct inode *inode,
int ret = 0;
int err = 0;
ext_debug("ext4_ext_handle_unwritten_extents: inode %lu, logical "
"block %llu, max_blocks %u, flags %x, allocated %u\n",
inode->i_ino, (unsigned long long)map->m_lblk, map->m_len,
flags, allocated);
ext_debug(inode, "logical block %llu, max_blocks %u, flags 0x%x, allocated %u\n",
(unsigned long long)map->m_lblk, map->m_len, flags,
allocated);
ext4_ext_show_leaf(inode, path);
/*
@ -4057,8 +4052,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
struct ext4_allocation_request ar;
ext4_lblk_t cluster_offset;
ext_debug("blocks %u/%u requested for inode %lu\n",
map->m_lblk, map->m_len, inode->i_ino);
ext_debug(inode, "blocks %u/%u requested\n", map->m_lblk, map->m_len);
trace_ext4_ext_map_blocks_enter(inode, map->m_lblk, map->m_len, flags);
/* find extent for this block */
@ -4105,8 +4099,8 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
newblock = map->m_lblk - ee_block + ee_start;
/* number of remaining blocks in the extent */
allocated = ee_len - (map->m_lblk - ee_block);
ext_debug("%u fit into %u:%d -> %llu\n", map->m_lblk,
ee_block, ee_len, newblock);
ext_debug(inode, "%u fit into %u:%d -> %llu\n",
map->m_lblk, ee_block, ee_len, newblock);
/*
* If the extent is initialized check whether the
@ -4246,7 +4240,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
goto out2;
allocated_clusters = ar.len;
ar.len = EXT4_C2B(sbi, ar.len) - offset;
ext_debug("allocate new block: goal %llu, found %llu/%u, requested %u\n",
ext_debug(inode, "allocate new block: goal %llu, found %llu/%u, requested %u\n",
ar.goal, newblock, ar.len, allocated);
if (ar.len > allocated)
ar.len = allocated;

11
fs/ext4/inode.c
View File

@ -501,9 +501,8 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
#endif
map->m_flags = 0;
ext_debug("ext4_map_blocks(): inode %lu, flag %d, max_blocks %u,"
"logical block %lu\n", inode->i_ino, flags, map->m_len,
(unsigned long) map->m_lblk);
ext_debug(inode, "flag 0x%x, max_blocks %u, logical block %lu\n",
flags, map->m_len, (unsigned long) map->m_lblk);
/*
* ext4_map_blocks returns an int, and m_len is an unsigned int
@ -734,8 +733,7 @@ int ext4_map_blocks(handle_t *handle, struct inode *inode,
}
if (retval < 0)
ext_debug("failed for inode %lu with err %d\n",
inode->i_ino, retval);
ext_debug(inode, "failed with err %d\n", retval);
return retval;
}
@ -1691,8 +1689,7 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock,
invalid_block = ~0;
map->m_flags = 0;
ext_debug("ext4_da_map_blocks(): inode %lu, max_blocks %u,"
"logical block %lu\n", inode->i_ino, map->m_len,
ext_debug(inode, "max_blocks %u, logical block %lu\n", map->m_len,
(unsigned long) map->m_lblk);
/* Lookup extent status tree firstly */