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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: llseek fix race
  fuse: fix llseek bug
  fuse: fix fuse_retrieve
This commit is contained in:
Linus Torvalds 2011-12-14 18:23:35 -08:00
commit 30aaca4582
2 changed files with 7 additions and 2 deletions
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3
fs/fuse/dev.c
View File

@ -1512,7 +1512,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
else if (outarg->offset + num > file_size)
num = file_size - outarg->offset;
while (num) {
while (num && req->num_pages < FUSE_MAX_PAGES_PER_REQ) {
struct page *page;
unsigned int this_num;
@ -1526,6 +1526,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode,
num -= this_num;
total_len += this_num;
index++;
}
req->misc.retrieve_in.offset = outarg->offset;
req->misc.retrieve_in.size = total_len;

6
fs/fuse/file.c
View File

@ -1556,7 +1556,7 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
struct inode *inode = file->f_path.dentry->d_inode;
mutex_lock(&inode->i_mutex);
if (origin != SEEK_CUR || origin != SEEK_SET) {
if (origin != SEEK_CUR && origin != SEEK_SET) {
retval = fuse_update_attributes(inode, NULL, file, NULL);
if (retval)
goto exit;
@ -1567,6 +1567,10 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
offset += i_size_read(inode);
break;
case SEEK_CUR:
if (offset == 0) {
retval = file->f_pos;
goto exit;
}
offset += file->f_pos;
break;
case SEEK_DATA: