diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-16 11:46:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-16 11:46:31 -0700 |
| commit | 2eac9eb8a2e64cbfcc300e9a8098edf424c1d16c (patch) | |
| tree | f3c4b8f25e2d25915e14ced10db661cae1341807 /fs/fuse/file.c | |
| parent | ad54e461137765aaf090eb7f54c3b51fc0ad5d62 (diff) | |
| parent | fb6ccff667712c46b4501b920ea73a326e49626a (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: verify all ioctl retry iov elements
fuse: add missing INIT flag descriptions
fuse: add missing INIT flags
fuse: update attributes on aio_read
fuse: invalidate inode mapping if mtime changes
fuse: add FUSE_AUTO_INVAL_DATA init flag
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 93d8d6c9494d..aba15f1b7ad2 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -703,13 +703,16 @@ static ssize_t fuse_file_aio_read(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos) { struct inode *inode = iocb->ki_filp->f_mapping->host; + struct fuse_conn *fc = get_fuse_conn(inode); - if (pos + iov_length(iov, nr_segs) > i_size_read(inode)) { + /* + * In auto invalidate mode, always update attributes on read. + * Otherwise, only update if we attempt to read past EOF (to ensure + * i_size is up to date). + */ + if (fc->auto_inval_data || + (pos + iov_length(iov, nr_segs) > i_size_read(inode))) { int err; - /* - * If trying to read past EOF, make sure the i_size - * attribute is up-to-date. - */ err = fuse_update_attributes(inode, NULL, iocb->ki_filp, NULL); if (err) return err; @@ -1700,7 +1703,7 @@ static int fuse_verify_ioctl_iov(struct iovec *iov, size_t count) size_t n; u32 max = FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT; - for (n = 0; n < count; n++) { + for (n = 0; n < count; n++, iov++) { if (iov->iov_len > (size_t) max) return -ENOMEM; max -= iov->iov_len; |