AcoSail/kernel_optimize_test
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: fix O_APPEND in legacy mode
This commit is contained in:
Linus Torvalds 2008-07-03 09:28:44 -07:00
commit 6beef7eb0c
3 changed files with 14 additions and 10 deletions
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2
fs/9p/v9fs_vfs.h
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@ -51,4 +51,4 @@ int v9fs_dir_release(struct inode *inode, struct file *filp);
int v9fs_file_open(struct inode *inode, struct file *file);
void v9fs_inode2stat(struct inode *inode, struct p9_stat *stat);
void v9fs_dentry_release(struct dentry *);
int v9fs_uflags2omode(int uflags);
int v9fs_uflags2omode(int uflags, int extended);

4
fs/9p/vfs_file.c
View File

@ -59,7 +59,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p \n", inode, file);
v9ses = v9fs_inode2v9ses(inode);
omode = v9fs_uflags2omode(file->f_flags);
omode = v9fs_uflags2omode(file->f_flags, v9fs_extended(v9ses));
fid = file->private_data;
if (!fid) {
fid = v9fs_fid_clone(file->f_path.dentry);
@ -75,6 +75,8 @@ int v9fs_file_open(struct inode *inode, struct file *file)
inode->i_size = 0;
inode->i_blocks = 0;
}
if ((file->f_flags & O_APPEND) && (!v9fs_extended(v9ses)))
generic_file_llseek(file, 0, SEEK_END);
}
file->private_data = fid;

18
fs/9p/vfs_inode.c
View File

@ -132,10 +132,10 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
/**
* v9fs_uflags2omode- convert posix open flags to plan 9 mode bits
* @uflags: flags to convert
*
* @extended: if .u extensions are active
*/
int v9fs_uflags2omode(int uflags)
int v9fs_uflags2omode(int uflags, int extended)
{
int ret;
@ -155,14 +155,16 @@ int v9fs_uflags2omode(int uflags)
break;
}
if (uflags & O_EXCL)
ret |= P9_OEXCL;
if (uflags & O_TRUNC)
ret |= P9_OTRUNC;
if (uflags & O_APPEND)
ret |= P9_OAPPEND;
if (extended) {
if (uflags & O_EXCL)
ret |= P9_OEXCL;
if (uflags & O_APPEND)
ret |= P9_OAPPEND;
}
return ret;
}
@ -506,7 +508,7 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
flags = O_RDWR;
fid = v9fs_create(v9ses, dir, dentry, NULL, perm,
v9fs_uflags2omode(flags));
v9fs_uflags2omode(flags, v9fs_extended(v9ses)));
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
fid = NULL;