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Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r--fs/gfs2/inode.c188
1 files changed, 64 insertions, 124 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index cc00bd1..8833a4f 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -392,11 +392,15 @@ static int alloc_dinode(struct gfs2_inode *ip, u32 flags)
int error;
int dblocks = 1;
- error = gfs2_inplace_reserve(ip, RES_DINODE, flags);
+ error = gfs2_quota_lock_check(ip);
if (error)
goto out;
- error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS, 0);
+ error = gfs2_inplace_reserve(ip, RES_DINODE, flags);
+ if (error)
+ goto out_quota;
+
+ error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA, 0);
if (error)
goto out_ipreserv;
@@ -409,6 +413,8 @@ static int alloc_dinode(struct gfs2_inode *ip, u32 flags)
out_ipreserv:
gfs2_inplace_release(ip);
+out_quota:
+ gfs2_quota_unlock(ip);
out:
return error;
}
@@ -440,59 +446,27 @@ static void gfs2_init_dir(struct buffer_head *dibh,
*/
static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
- const char *symname, struct buffer_head **bhp)
+ const char *symname)
{
- struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct gfs2_dinode *di;
struct buffer_head *dibh;
- struct timespec tv = CURRENT_TIME;
dibh = gfs2_meta_new(ip->i_gl, ip->i_no_addr);
gfs2_trans_add_meta(ip->i_gl, dibh);
- gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI);
- gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
di = (struct gfs2_dinode *)dibh->b_data;
+ gfs2_dinode_out(ip, di);
- di->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
- di->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
- di->di_mode = cpu_to_be32(ip->i_inode.i_mode);
- di->di_uid = cpu_to_be32(i_uid_read(&ip->i_inode));
- di->di_gid = cpu_to_be32(i_gid_read(&ip->i_inode));
- di->di_nlink = 0;
- di->di_size = cpu_to_be64(ip->i_inode.i_size);
- di->di_blocks = cpu_to_be64(1);
- di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec);
di->di_major = cpu_to_be32(MAJOR(ip->i_inode.i_rdev));
di->di_minor = cpu_to_be32(MINOR(ip->i_inode.i_rdev));
- di->di_goal_meta = di->di_goal_data = cpu_to_be64(ip->i_no_addr);
- di->di_generation = cpu_to_be64(ip->i_generation);
- di->di_flags = 0;
di->__pad1 = 0;
- di->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) ? GFS2_FORMAT_DE : 0);
- di->di_height = 0;
di->__pad2 = 0;
di->__pad3 = 0;
- di->di_depth = 0;
- di->di_entries = 0;
memset(&di->__pad4, 0, sizeof(di->__pad4));
- di->di_eattr = 0;
- di->di_atime_nsec = cpu_to_be32(tv.tv_nsec);
- di->di_mtime_nsec = cpu_to_be32(tv.tv_nsec);
- di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec);
memset(&di->di_reserved, 0, sizeof(di->di_reserved));
+ gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
switch(ip->i_inode.i_mode & S_IFMT) {
- case S_IFREG:
- if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||
- gfs2_tune_get(sdp, gt_new_files_jdata))
- di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA);
- break;
case S_IFDIR:
- di->di_flags |= cpu_to_be32(dip->i_diskflags &
- GFS2_DIF_INHERIT_JDATA);
- di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA);
- di->di_size = cpu_to_be64(sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode));
- di->di_entries = cpu_to_be32(2);
gfs2_init_dir(dibh, dip);
break;
case S_IFLNK:
@@ -501,63 +475,17 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
}
set_buffer_uptodate(dibh);
-
- *bhp = dibh;
-}
-
-static int make_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
- const char *symname, struct buffer_head **bhp)
-{
- struct inode *inode = &ip->i_inode;
- struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
- int error;
-
- error = gfs2_rindex_update(sdp);
- if (error)
- return error;
-
- error = gfs2_quota_lock(dip, inode->i_uid, inode->i_gid);
- if (error)
- return error;
-
- error = gfs2_quota_check(dip, inode->i_uid, inode->i_gid);
- if (error)
- goto out_quota;
-
- error = gfs2_trans_begin(sdp, RES_DINODE + RES_QUOTA, 0);
- if (error)
- goto out_quota;
-
- init_dinode(dip, ip, symname, bhp);
- gfs2_quota_change(dip, +1, inode->i_uid, inode->i_gid);
- gfs2_trans_end(sdp);
-
-out_quota:
- gfs2_quota_unlock(dip);
- return error;
+ brelse(dibh);
}
static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
- struct gfs2_inode *ip)
+ struct gfs2_inode *ip, int arq)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
- int alloc_required;
- struct buffer_head *dibh;
int error;
- error = gfs2_rindex_update(sdp);
- if (error)
- return error;
-
- error = gfs2_quota_lock(dip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
- if (error)
- goto fail;
-
- error = alloc_required = gfs2_diradd_alloc_required(&dip->i_inode, name);
- if (alloc_required < 0)
- goto fail_quota_locks;
- if (alloc_required) {
- error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid);
+ if (arq) {
+ error = gfs2_quota_lock_check(dip);
if (error)
goto fail_quota_locks;
@@ -581,26 +509,12 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
if (error)
goto fail_end_trans;
- error = gfs2_meta_inode_buffer(ip, &dibh);
- if (error)
- goto fail_end_trans;
- set_nlink(&ip->i_inode, S_ISDIR(ip->i_inode.i_mode) ? 2 : 1);
- gfs2_trans_add_meta(ip->i_gl, dibh);
- gfs2_dinode_out(ip, dibh->b_data);
- brelse(dibh);
- return 0;
-
fail_end_trans:
gfs2_trans_end(sdp);
-
fail_ipreserv:
- if (alloc_required)
- gfs2_inplace_release(dip);
-
+ gfs2_inplace_release(dip);
fail_quota_locks:
gfs2_quota_unlock(dip);
-
-fail:
return error;
}
@@ -650,8 +564,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct gfs2_glock *io_gl;
int error;
- struct buffer_head *bh = NULL;
u32 aflags = 0;
+ int arq;
if (!name->len || name->len > GFS2_FNAMESIZE)
return -ENAMETOOLONG;
@@ -660,6 +574,10 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (error)
return error;
+ error = gfs2_rindex_update(sdp);
+ if (error)
+ return error;
+
error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
if (error)
goto fail;
@@ -674,22 +592,48 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (error)
goto fail_gunlock;
+ arq = error = gfs2_diradd_alloc_required(dir, name);
+ if (error < 0)
+ goto fail_gunlock;
+
inode = new_inode(sdp->sd_vfs);
- if (!inode) {
- gfs2_glock_dq_uninit(ghs);
- return -ENOMEM;
- }
+ error = -ENOMEM;
+ if (!inode)
+ goto fail_gunlock;
+
ip = GFS2_I(inode);
error = gfs2_rs_alloc(ip);
if (error)
goto fail_free_inode;
- set_bit(GIF_INVALID, &ip->i_flags);
inode->i_mode = mode;
+ set_nlink(inode, S_ISDIR(mode) ? 2 : 1);
inode->i_rdev = dev;
inode->i_size = size;
+ inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ gfs2_set_inode_blocks(inode, 1);
munge_mode_uid_gid(dip, inode);
ip->i_goal = dip->i_goal;
+ ip->i_diskflags = 0;
+ ip->i_eattr = 0;
+ ip->i_height = 0;
+ ip->i_depth = 0;
+ ip->i_entries = 0;
+
+ switch(mode & S_IFMT) {
+ case S_IFREG:
+ if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||
+ gfs2_tune_get(sdp, gt_new_files_jdata))
+ ip->i_diskflags |= GFS2_DIF_JDATA;
+ gfs2_set_aops(inode);
+ break;
+ case S_IFDIR:
+ ip->i_diskflags |= (dip->i_diskflags & GFS2_DIF_INHERIT_JDATA);
+ ip->i_diskflags |= GFS2_DIF_JDATA;
+ ip->i_entries = 2;
+ break;
+ }
+ gfs2_set_inode_flags(inode);
if ((GFS2_I(sdp->sd_root_dir->d_inode) == dip) ||
(dip->i_diskflags & GFS2_DIF_TOPDIR))
@@ -708,10 +652,13 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (error)
goto fail_free_inode;
- error = make_dinode(dip, ip, symname, &bh);
+ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
if (error)
goto fail_gunlock2;
+ init_dinode(dip, ip, symname);
+ gfs2_trans_end(sdp);
+
error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
if (error)
goto fail_gunlock2;
@@ -725,10 +672,6 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
gfs2_set_iop(inode);
insert_inode_hash(inode);
- error = gfs2_inode_refresh(ip);
- if (error)
- goto fail_gunlock3;
-
error = gfs2_acl_create(dip, inode);
if (error)
goto fail_gunlock3;
@@ -737,18 +680,13 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
if (error)
goto fail_gunlock3;
- error = link_dinode(dip, name, ip);
+ error = link_dinode(dip, name, ip, arq);
if (error)
goto fail_gunlock3;
- if (bh)
- brelse(bh);
-
- gfs2_trans_end(sdp);
- gfs2_inplace_release(dip);
- gfs2_quota_unlock(dip);
mark_inode_dirty(inode);
- gfs2_glock_dq_uninit_m(2, ghs);
+ gfs2_glock_dq_uninit(ghs);
+ gfs2_glock_dq_uninit(ghs + 1);
d_instantiate(dentry, inode);
return 0;
@@ -769,12 +707,12 @@ fail_free_inode:
fail_gunlock:
gfs2_glock_dq_uninit(ghs);
if (inode && !IS_ERR(inode)) {
+ clear_nlink(inode);
+ mark_inode_dirty(inode);
set_bit(GIF_ALLOC_FAILED, &GFS2_I(inode)->i_flags);
iput(inode);
}
fail:
- if (bh)
- brelse(bh);
return error;
}
@@ -1151,7 +1089,9 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
- return gfs2_create_inode(dir, dentry, S_IFDIR | mode, 0, NULL, 0, 0);
+ struct gfs2_sbd *sdp = GFS2_SB(dir);
+ unsigned dsize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
+ return gfs2_create_inode(dir, dentry, S_IFDIR | mode, 0, NULL, dsize, 0);
}
/**
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