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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-02-28 17:04:11 +0530 |
|---|---|---|
| committer | Eric Van Hensbergen <ericvh@gmail.com> | 2011-03-15 09:57:42 -0500 |
| commit | 3dc5436aa5719be029bbc2bef0e5cb0312e4ff88 (patch) | |
| tree | df64706ba7b9e8d1b837b77c8f0d7ddefaf5f78e /fs/9p | |
| parent | f10fc50f1adaf40fdd5da6dd154ecb464b468e2f (diff) | |
| download | linux-3dc5436aa5719be029bbc2bef0e5cb0312e4ff88.tar.gz linux-3dc5436aa5719be029bbc2bef0e5cb0312e4ff88.tar.bz2 linux-3dc5436aa5719be029bbc2bef0e5cb0312e4ff88.zip | |
fs/9p: Writeback dirty data before setattr
change file attribute can result in making the file readonly.
So flush the dirty pages before that.
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_inode.c | 4 | ||||
| -rw-r--r-- | fs/9p/vfs_inode_dotl.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 2555776920ad..8a2c232f708a 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -999,6 +999,10 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) if (retval) return retval; } + /* Write all dirty data */ + if (S_ISREG(dentry->d_inode->i_mode)) + filemap_write_and_wait(dentry->d_inode->i_mapping); + retval = p9_client_wstat(fid, &wstat); if (retval < 0) return retval; diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index bcd0ee2e549a..67c138e94feb 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -459,6 +459,10 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) if (retval) return retval; } + /* Write all dirty data */ + if (S_ISREG(dentry->d_inode->i_mode)) + filemap_write_and_wait(dentry->d_inode->i_mapping); + retval = p9_client_setattr(fid, &p9attr); if (retval < 0) return retval; |