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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-02-28 17:04:04 +0530 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2011-03-15 09:57:40 -0500 |
| commit | fa6ea16160c72c448e2728dab4b6b0a133fdfc98 (patch) | |
| tree | 51c9ad37c30aeb02bc34a67ca499a0492b06959e /fs/9p | |
| parent | 6b365604ca8c1b67f0d5a816cf5acf2dc3edc229 (diff) | |
| download | linux-fa6ea16160c72c448e2728dab4b6b0a133fdfc98.tar.gz | |
fs/9p: Fix inode i_size update in file_write
Only update inode i_size when we write towards end of file. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_file.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 98c4307a1f03..3cff25e759ec 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -440,6 +440,7 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid, loff_t *offset, int invalidate) { int n; + loff_t i_size; size_t total = 0; struct p9_client *clnt; loff_t origin = *offset; @@ -464,8 +465,11 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid, invalidate_inode_pages2_range(inode->i_mapping, pg_start, pg_end); *offset += total; - i_size_write(inode, i_size_read(inode) + total); - inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9; + i_size = i_size_read(inode); + if (*offset > i_size) { + inode_add_bytes(inode, *offset - i_size); + i_size_write(inode, *offset); + } } if (n < 0) return n; |