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fs/ntfs3: check for shutdown in fsync

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Ensure fsync() returns -EIO when the ntfs3 filesystem is in forced
shutdown, instead of silently succeeding via generic_file_fsync().

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Konstantin Komarov
2025-11-06 16:17:19 +03:00
parent bcbb8d0afd
commit 1b2ae190ea
1 changed files with 13 additions and 1 deletions
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14
fs/ntfs3/file.c
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@@ -1440,6 +1440,18 @@ static ssize_t ntfs_file_splice_write(struct pipe_inode_info *pipe,
return iter_file_splice_write(pipe, file, ppos, len, flags);
}
/*
* ntfs_file_fsync - file_operations::fsync
*/
static int ntfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
struct inode *inode = file_inode(file);
if (unlikely(ntfs3_forced_shutdown(inode->i_sb)))
return -EIO;
return generic_file_fsync(file, start, end, datasync);
}
// clang-format off
const struct inode_operations ntfs_file_inode_operations = {
.getattr = ntfs_getattr,
@@ -1462,7 +1474,7 @@ const struct file_operations ntfs_file_operations = {
.splice_write = ntfs_file_splice_write,
.mmap_prepare = ntfs_file_mmap_prepare,
.open = ntfs_file_open,
.fsync = generic_file_fsync,
.fsync = ntfs_file_fsync,
.fallocate = ntfs_fallocate,
.release = ntfs_file_release,
};