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Diffstat (limited to 'fs/gfs2/ops_inode.c')
-rw-r--r--fs/gfs2/ops_inode.c64
1 files changed, 47 insertions, 17 deletions
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 636dda4c7d3..d85f6e05cb9 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -7,7 +7,6 @@
* of the GNU General Public License version 2.
*/
-#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
@@ -264,13 +263,23 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
struct gfs2_inode *dip = GFS2_I(dir);
struct gfs2_sbd *sdp = GFS2_SB(dir);
struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
- struct gfs2_holder ghs[2];
+ struct gfs2_holder ghs[3];
+ struct gfs2_rgrpd *rgd;
+ struct gfs2_holder ri_gh;
int error;
+ error = gfs2_rindex_hold(sdp, &ri_gh);
+ if (error)
+ return error;
+
gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
- gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1);
+ gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1);
- error = gfs2_glock_nq_m(2, ghs);
+ rgd = gfs2_blk2rgrpd(sdp, ip->i_num.no_addr);
+ gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2);
+
+
+ error = gfs2_glock_nq_m(3, ghs);
if (error)
goto out;
@@ -291,10 +300,12 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
out_end_trans:
gfs2_trans_end(sdp);
out_gunlock:
- gfs2_glock_dq_m(2, ghs);
+ gfs2_glock_dq_m(3, ghs);
out:
gfs2_holder_uninit(ghs);
gfs2_holder_uninit(ghs + 1);
+ gfs2_holder_uninit(ghs + 2);
+ gfs2_glock_dq_uninit(&ri_gh);
return error;
}
@@ -449,13 +460,22 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry)
struct gfs2_inode *dip = GFS2_I(dir);
struct gfs2_sbd *sdp = GFS2_SB(dir);
struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
- struct gfs2_holder ghs[2];
+ struct gfs2_holder ghs[3];
+ struct gfs2_rgrpd *rgd;
+ struct gfs2_holder ri_gh;
int error;
+
+ error = gfs2_rindex_hold(sdp, &ri_gh);
+ if (error)
+ return error;
gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + 1);
- error = gfs2_glock_nq_m(2, ghs);
+ rgd = gfs2_blk2rgrpd(sdp, ip->i_num.no_addr);
+ gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2);
+
+ error = gfs2_glock_nq_m(3, ghs);
if (error)
goto out;
@@ -483,10 +503,12 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry)
gfs2_trans_end(sdp);
out_gunlock:
- gfs2_glock_dq_m(2, ghs);
+ gfs2_glock_dq_m(3, ghs);
out:
gfs2_holder_uninit(ghs);
gfs2_holder_uninit(ghs + 1);
+ gfs2_holder_uninit(ghs + 2);
+ gfs2_glock_dq_uninit(&ri_gh);
return error;
}
@@ -547,7 +569,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
struct gfs2_inode *ip = GFS2_I(odentry->d_inode);
struct gfs2_inode *nip = NULL;
struct gfs2_sbd *sdp = GFS2_SB(odir);
- struct gfs2_holder ghs[4], r_gh;
+ struct gfs2_holder ghs[5], r_gh;
+ struct gfs2_rgrpd *nrgd;
unsigned int num_gh;
int dir_rename = 0;
int alloc_required;
@@ -587,6 +610,13 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
if (nip) {
gfs2_holder_init(nip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
num_gh++;
+ /* grab the resource lock for unlink flag twiddling
+ * this is the case of the target file already existing
+ * so we unlink before doing the rename
+ */
+ nrgd = gfs2_blk2rgrpd(sdp, nip->i_num.no_addr);
+ if (nrgd)
+ gfs2_holder_init(nrgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh++);
}
error = gfs2_glock_nq_m(num_gh, ghs);
@@ -684,12 +714,12 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
error = gfs2_trans_begin(sdp, sdp->sd_max_dirres +
al->al_rgd->rd_ri.ri_length +
4 * RES_DINODE + 4 * RES_LEAF +
- RES_STATFS + RES_QUOTA, 0);
+ RES_STATFS + RES_QUOTA + 4, 0);
if (error)
goto out_ipreserv;
} else {
error = gfs2_trans_begin(sdp, 4 * RES_DINODE +
- 5 * RES_LEAF, 0);
+ 5 * RES_LEAF + 4, 0);
if (error)
goto out_gunlock;
}
@@ -728,7 +758,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
error = gfs2_meta_inode_buffer(ip, &dibh);
if (error)
goto out_end_trans;
- ip->i_inode.i_ctime.tv_sec = get_seconds();
+ ip->i_inode.i_ctime = CURRENT_TIME_SEC;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@@ -1018,7 +1048,7 @@ static int gfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
}
generic_fillattr(inode, stat);
- if (unlock);
+ if (unlock)
gfs2_glock_dq_uninit(&gh);
return 0;
@@ -1084,7 +1114,7 @@ static int gfs2_removexattr(struct dentry *dentry, const char *name)
return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er);
}
-struct inode_operations gfs2_file_iops = {
+const struct inode_operations gfs2_file_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
@@ -1094,7 +1124,7 @@ struct inode_operations gfs2_file_iops = {
.removexattr = gfs2_removexattr,
};
-struct inode_operations gfs2_dev_iops = {
+const struct inode_operations gfs2_dev_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
.getattr = gfs2_getattr,
@@ -1104,7 +1134,7 @@ struct inode_operations gfs2_dev_iops = {
.removexattr = gfs2_removexattr,
};
-struct inode_operations gfs2_dir_iops = {
+const struct inode_operations gfs2_dir_iops = {
.create = gfs2_create,
.lookup = gfs2_lookup,
.link = gfs2_link,
@@ -1123,7 +1153,7 @@ struct inode_operations gfs2_dir_iops = {
.removexattr = gfs2_removexattr,
};
-struct inode_operations gfs2_symlink_iops = {
+const struct inode_operations gfs2_symlink_iops = {
.readlink = gfs2_readlink,
.follow_link = gfs2_follow_link,
.permission = gfs2_permission,
generated by cgit (git 2.34.1) at 2024-11-19 21:41:15 +0000