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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-15 03:23:35 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-15 03:23:35 +0100 |
| commit | 30aaca4582eac20a52ac7b2ec35bdb908133e5b1 (patch) | |
| tree | ddc71661851922ba75dbeb0e6f272e9c2a0895fb /fs/fuse | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff) | |
| parent | fuse: llseek fix race (diff) | |
| download | linux-30aaca4582eac20a52ac7b2ec35bdb908133e5b1.tar.xz linux-30aaca4582eac20a52ac7b2ec35bdb908133e5b1.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
* '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
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/dev.c | 3 | ||||
| -rw-r--r-- | fs/fuse/file.c | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 5cb8614508c3..2aaf3eaaf13d 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -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; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 594f07a81c28..0c84100acd44 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -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: |