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fs/ntfs3: Fix very fragmented case in attr_punch_hole 

In some cases we need to ni_find_attr attr_b

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Konstantin Komarov 2022-06-30 18:31:26 +03:00
parent 42f86b1226
commit 560f7736b9
No known key found for this signature in database
GPG Key ID: A9B0331F832407B6
1 changed files with 12 additions and 1 deletions
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13
fs/ntfs3/attrib.c
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@ -2054,6 +2054,7 @@ int attr_punch_hole(struct ntfs_inode *ni, u64 vbo, u64 bytes, u32 *frame_size)
if (err)
goto out;
/* Layout of records maybe changed. */
attr_b = NULL;
}
}
/* Free all allocated memory. */
@ -2073,6 +2074,14 @@ int attr_punch_hole(struct ntfs_inode *ni, u64 vbo, u64 bytes, u32 *frame_size)
}
total_size -= (u64)dealloc << sbi->cluster_bits;
if (!attr_b) {
attr_b = ni_find_attr(ni, NULL, NULL, ATTR_DATA, NULL, 0, NULL,
&mi_b);
if (!attr_b) {
err = -EINVAL;
goto out;
}
}
attr_b->nres.total_size = cpu_to_le64(total_size);
mi_b->dirty = true;
@ -2083,8 +2092,10 @@ int attr_punch_hole(struct ntfs_inode *ni, u64 vbo, u64 bytes, u32 *frame_size)
out:
up_write(&ni->file.run_lock);
if (err)
if (err) {
ntfs_set_state(sbi, NTFS_DIRTY_ERROR);
make_bad_inode(&ni->vfs_inode);
}
return err;
}