diff options
Diffstat (limited to 'fs/ntfs/attrib.c')
| -rw-r--r-- | fs/ntfs/attrib.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ntfs/attrib.c b/fs/ntfs/attrib.c index 1ff7f90a18b..7d668466dcd 100644 --- a/fs/ntfs/attrib.c +++ b/fs/ntfs/attrib.c @@ -1127,6 +1127,10 @@ int ntfs_attr_record_resize(MFT_RECORD *m, ATTR_RECORD *a, u32 new_size) * byte offset @ofs inside the attribute with the constant byte @val. * * This function is effectively like memset() applied to an ntfs attribute. + * Note thie function actually only operates on the page cache pages belonging + * to the ntfs attribute and it marks them dirty after doing the memset(). + * Thus it relies on the vm dirty page write code paths to cause the modified + * pages to be written to the mft record/disk. * * Return 0 on success and -errno on error. An error code of -ESPIPE means * that @ofs + @cnt were outside the end of the attribute and no write was @@ -1155,7 +1159,7 @@ int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt, const u8 val) end = ofs + cnt; end_ofs = end & ~PAGE_CACHE_MASK; /* If the end is outside the inode size return -ESPIPE. */ - if (unlikely(end > VFS_I(ni)->i_size)) { + if (unlikely(end > i_size_read(VFS_I(ni)))) { ntfs_error(vol->sb, "Request exceeds end of attribute."); return -ESPIPE; } |