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| author | Miklos Szeredi <mszeredi@redhat.com> | 2021-10-22 17:03:02 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2021-10-28 09:45:32 +0200 |
| commit | fa5eee57e33e79b71b40e6950c29cc46f5cc5cb7 (patch) | |
| tree | 92ed8a392c657de447ef8eb8c3a5f7fc72140542 /fs/fuse/file.c | |
| parent | fuse: don't increment nlink in link() (diff) | |
| download | linux-fa5eee57e33e79b71b40e6950c29cc46f5cc5cb7.tar.xz linux-fa5eee57e33e79b71b40e6950c29cc46f5cc5cb7.zip | |
fuse: selective attribute invalidation
Only invalidate attributes that the operation might have changed.
Introduce two constants for common combinations of changed attributes:
FUSE_STATX_MODIFY: file contents are modified but not size
FUSE_STATX_MODSIZE: size and/or file contents modified
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse/file.c')
| -rw-r--r-- | fs/fuse/file.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 31266ca9c1f2..06967d8e2742 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -211,7 +211,7 @@ void fuse_finish_open(struct inode *inode, struct file *file) i_size_write(inode, 0); spin_unlock(&fi->lock); truncate_pagecache(inode, 0); - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE); if (fc->writeback_cache) file_update_time(file); } else if (!(ff->open_flags & FOPEN_KEEP_CACHE)) { @@ -515,7 +515,7 @@ inval_attr_out: * enabled, i_blocks from cached attr may not be accurate. */ if (!err && fm->fc->writeback_cache) - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, STATX_BLOCKS); return err; } @@ -1266,7 +1266,7 @@ static ssize_t fuse_perform_write(struct kiocb *iocb, fuse_write_update_size(inode, pos); clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE); return res > 0 ? res : err; } @@ -1556,7 +1556,7 @@ static ssize_t fuse_direct_write_iter(struct kiocb *iocb, struct iov_iter *from) FUSE_DIO_WRITE); } } - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE); if (res > 0) fuse_write_update_size(inode, iocb->ki_pos); inode_unlock(inode); @@ -1769,7 +1769,7 @@ static void fuse_writepage_end(struct fuse_mount *fm, struct fuse_args *args, * is enabled, we trust local ctime/mtime. */ if (!fc->writeback_cache) - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, FUSE_STATX_MODIFY); spin_lock(&fi->lock); rb_erase(&wpa->writepages_entry, &fi->writepages); while (wpa->next) { @@ -2875,7 +2875,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) if (iov_iter_rw(iter) == WRITE) { ret = fuse_direct_io(io, iter, &pos, FUSE_DIO_WRITE); - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE); } else { ret = __fuse_direct_read(io, iter, &pos); } @@ -2996,7 +2996,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, if (mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_ZERO_RANGE)) truncate_pagecache_range(inode, offset, offset + length - 1); - fuse_invalidate_attr(inode); + fuse_invalidate_attr_mask(inode, FUSE_STATX_MODSIZE); out: if (!(mode & FALLOC_FL_KEEP_SIZE)) @@ -3109,7 +3109,7 @@ static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in, file_update_time(file_out); } - fuse_invalidate_attr(inode_out); + fuse_invalidate_attr_mask(inode_out, FUSE_STATX_MODSIZE); err = outarg.size; out: |