fat: Propagate inode buffer write errors from fat_sync_inode_metadata()

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fat_sync_inode_metadata() ignores the result of writing the buffer
containing the inode's directory entry. Before commit 525da4f40a
("fat: Fix missed inode writeback during fsync(2)") a write error was
propagated to fsync(2) via __fat_write_inode() -> sync_dirty_buffer(),
now fsync(2) reports success even though the inode's directory entry
could not be written. Check buffer_write_io_error() after
sync_dirty_buffer() like the other ->sync_inode_metadata
implementations do.

Fixes: 525da4f40a ("fat: Fix missed inode writeback during fsync(2)")
Reported-by: Sashiko <sashiko-bot@kernel.org>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>

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This commit is contained in:

Christian Brauner 2026-07-27 17:15:57 +02:00

parent d7de16e240

commit a50587bbf3

1 changed files with 6 additions and 1 deletions

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fs/fat/inode.c

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