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Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r--fs/gfs2/inode.c84
1 files changed, 29 insertions, 55 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index fc8ac2ee0667..9054002ebe70 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -596,11 +596,10 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
struct gfs2_inode *dip = GFS2_I(dir), *ip;
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct gfs2_glock *io_gl;
- struct dentry *d;
int error, free_vfs_inode = 0;
u32 aflags = 0;
unsigned blocks = 1;
- struct gfs2_diradd da = { .bh = NULL, };
+ struct gfs2_diradd da = { .bh = NULL, .save_loc = 1, };
if (!name->len || name->len > GFS2_FNAMESIZE)
return -ENAMETOOLONG;
@@ -624,22 +623,18 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
inode = gfs2_dir_search(dir, &dentry->d_name, !S_ISREG(mode) || excl);
error = PTR_ERR(inode);
if (!IS_ERR(inode)) {
- d = d_splice_alias(inode, dentry);
- error = PTR_ERR(d);
- if (IS_ERR(d)) {
- inode = ERR_CAST(d);
+ if (S_ISDIR(inode->i_mode)) {
+ iput(inode);
+ inode = ERR_PTR(-EISDIR);
goto fail_gunlock;
}
+ d_instantiate(dentry, inode);
error = 0;
if (file) {
- if (S_ISREG(inode->i_mode)) {
- WARN_ON(d != NULL);
+ if (S_ISREG(inode->i_mode))
error = finish_open(file, dentry, gfs2_open_common, opened);
- } else {
- error = finish_no_open(file, d);
- }
- } else {
- dput(d);
+ else
+ error = finish_no_open(file, NULL);
}
gfs2_glock_dq_uninit(ghs);
return error;
@@ -672,6 +667,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
gfs2_set_inode_blocks(inode, 1);
munge_mode_uid_gid(dip, inode);
+ check_and_update_goal(dip);
ip->i_goal = dip->i_goal;
ip->i_diskflags = 0;
ip->i_eattr = 0;
@@ -899,7 +895,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder ghs[2];
struct buffer_head *dibh;
- struct gfs2_diradd da = { .bh = NULL, };
+ struct gfs2_diradd da = { .bh = NULL, .save_loc = 1, };
int error;
if (S_ISDIR(inode->i_mode))
@@ -1044,11 +1040,7 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
if (error)
return error;
- error = gfs2_dir_check(&dip->i_inode, name, ip);
- if (error)
- return error;
-
- return 0;
+ return gfs2_dir_check(&dip->i_inode, name, ip);
}
/**
@@ -1244,22 +1236,24 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
struct dentry *d;
bool excl = !!(flags & O_EXCL);
+ if (!d_unhashed(dentry))
+ goto skip_lookup;
+
d = __gfs2_lookup(dir, dentry, file, opened);
if (IS_ERR(d))
return PTR_ERR(d);
if (d != NULL)
dentry = d;
if (dentry->d_inode) {
- if (!(*opened & FILE_OPENED)) {
- if (d == NULL)
- dget(dentry);
- return finish_no_open(file, dentry);
- }
+ if (!(*opened & FILE_OPENED))
+ return finish_no_open(file, d);
dput(d);
return 0;
}
BUG_ON(d != NULL);
+
+skip_lookup:
if (!(flags & O_CREAT))
return -ENOENT;
@@ -1337,7 +1331,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
struct gfs2_rgrpd *nrgd;
unsigned int num_gh;
int dir_rename = 0;
- struct gfs2_diradd da = { .nr_blocks = 0, };
+ struct gfs2_diradd da = { .nr_blocks = 0, .save_loc = 0, };
unsigned int x;
int error;
@@ -1616,26 +1610,18 @@ int gfs2_permission(struct inode *inode, int mask)
{
struct gfs2_inode *ip;
struct gfs2_holder i_gh;
- struct gfs2_sbd *sdp = GFS2_SB(inode);
int error;
int unlock = 0;
- int frozen_root = 0;
ip = GFS2_I(inode);
if (gfs2_glock_is_locked_by_me(ip->i_gl) == NULL) {
- if (unlikely(gfs2_glock_is_held_excl(sdp->sd_freeze_gl) &&
- inode == sdp->sd_root_dir->d_inode &&
- atomic_inc_not_zero(&sdp->sd_frozen_root)))
- frozen_root = 1;
- else {
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
- if (error)
- return error;
- unlock = 1;
- }
+ if (mask & MAY_NOT_BLOCK)
+ return -ECHILD;
+ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh);
+ if (error)
+ return error;
+ unlock = 1;
}
if ((mask & MAY_WRITE) && IS_IMMUTABLE(inode))
@@ -1644,8 +1630,6 @@ int gfs2_permission(struct inode *inode, int mask)
error = generic_permission(inode, mask);
if (unlock)
gfs2_glock_dq_uninit(&i_gh);
- else if (frozen_root && atomic_dec_and_test(&sdp->sd_frozen_root))
- wake_up(&sdp->sd_frozen_root_wait);
return error;
}
@@ -1818,29 +1802,19 @@ static int gfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct inode *inode = dentry->d_inode;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
- struct gfs2_sbd *sdp = GFS2_SB(inode);
int error;
int unlock = 0;
- int frozen_root = 0;
if (gfs2_glock_is_locked_by_me(ip->i_gl) == NULL) {
- if (unlikely(gfs2_glock_is_held_excl(sdp->sd_freeze_gl) &&
- inode == sdp->sd_root_dir->d_inode &&
- atomic_inc_not_zero(&sdp->sd_frozen_root)))
- frozen_root = 1;
- else {
- error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
- if (error)
- return error;
- unlock = 1;
- }
+ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
+ if (error)
+ return error;
+ unlock = 1;
}
generic_fillattr(inode, stat);
if (unlock)
gfs2_glock_dq_uninit(&gh);
- else if (frozen_root && atomic_dec_and_test(&sdp->sd_frozen_root))
- wake_up(&sdp->sd_frozen_root_wait);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 10:39:29 +0100