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Merge branch 'vfs-scale-working' of git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin

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* 'vfs-scale-working' of git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin: (57 commits)
  fs: scale mntget/mntput
  fs: rename vfsmount counter helpers
  fs: implement faster dentry memcmp
  fs: prefetch inode data in dcache lookup
  fs: improve scalability of pseudo filesystems
  fs: dcache per-inode inode alias locking
  fs: dcache per-bucket dcache hash locking
  bit_spinlock: add required includes
  kernel: add bl_list
  xfs: provide simple rcu-walk ACL implementation
  btrfs: provide simple rcu-walk ACL implementation
  ext2,3,4: provide simple rcu-walk ACL implementation
  fs: provide simple rcu-walk generic_check_acl implementation
  fs: provide rcu-walk aware permission i_ops
  fs: rcu-walk aware d_revalidate method
  fs: cache optimise dentry and inode for rcu-walk
  fs: dcache reduce branches in lookup path
  fs: dcache remove d_mounted
  fs: fs_struct use seqlock
  fs: rcu-walk for path lookup
  ...
This commit is contained in:
Linus Torvalds
2011-01-07 08:56:33 -08:00
parent 01539ba2a7 b3e19d924b
commit b4a45f5fe8
212 changed files with 4778 additions and 2018 deletions
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20
fs/gfs2/ops_inode.c
View File

@@ -106,7 +106,7 @@ static struct dentry *gfs2_lookup(struct inode *dir, struct dentry *dentry,
{
struct inode *inode = NULL;
dentry->d_op = &gfs2_dops;
d_set_d_op(dentry, &gfs2_dops);
inode = gfs2_lookupi(dir, &dentry->d_name, 0);
if (inode && IS_ERR(inode))
@@ -166,7 +166,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
if (error)
goto out_child;
error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC);
error = gfs2_permission(dir, MAY_WRITE | MAY_EXEC, 0);
if (error)
goto out_gunlock;
@@ -289,7 +289,7 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
if (IS_APPEND(&dip->i_inode))
return -EPERM;
error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);
error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC, 0);
if (error)
return error;
@@ -822,7 +822,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
}
}
} else {
error = gfs2_permission(ndir, MAY_WRITE | MAY_EXEC);
error = gfs2_permission(ndir, MAY_WRITE | MAY_EXEC, 0);
if (error)
goto out_gunlock;
@@ -857,7 +857,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
/* Check out the dir to be renamed */
if (dir_rename) {
error = gfs2_permission(odentry->d_inode, MAY_WRITE);
error = gfs2_permission(odentry->d_inode, MAY_WRITE, 0);
if (error)
goto out_gunlock;
}
@@ -1041,13 +1041,17 @@ static void gfs2_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
* Returns: errno
*/
int gfs2_permission(struct inode *inode, int mask)
int gfs2_permission(struct inode *inode, int mask, unsigned int flags)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_inode *ip;
struct gfs2_holder i_gh;
int error;
int unlock = 0;
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
ip = GFS2_I(inode);
if (gfs2_glock_is_locked_by_me(ip->i_gl) == NULL) {
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
if (error)
@@ -1058,7 +1062,7 @@ int gfs2_permission(struct inode *inode, int mask)
if ((mask & MAY_WRITE) && IS_IMMUTABLE(inode))
error = -EACCES;
else
error = generic_permission(inode, mask, gfs2_check_acl);
error = generic_permission(inode, mask, flags, gfs2_check_acl);
if (unlock)
gfs2_glock_dq_uninit(&i_gh);