xfs: remove unused transaction callback variables
[deliverable/linux.git] / fs / xfs / xfs_iops.c
index 96dda62d497b7e04a68a1a6ddfc579aececf8374..d046dc8c1925619bf899de8d6acf54fc9a2d6fb1 100644 (file)
@@ -17,6 +17,8 @@
  */
 #include "xfs.h"
 #include "xfs_fs.h"
+#include "xfs_format.h"
+#include "xfs_shared.h"
 #include "xfs_acl.h"
 #include "xfs_log.h"
 #include "xfs_trans.h"
 #include "xfs_alloc.h"
 #include "xfs_quota.h"
 #include "xfs_mount.h"
+#include "xfs_da_format.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
 #include "xfs_bmap.h"
+#include "xfs_bmap_util.h"
 #include "xfs_rtalloc.h"
 #include "xfs_error.h"
 #include "xfs_itable.h"
 #include "xfs_attr.h"
 #include "xfs_buf_item.h"
-#include "xfs_utils.h"
-#include "xfs_vnodeops.h"
 #include "xfs_inode_item.h"
 #include "xfs_trace.h"
 #include "xfs_icache.h"
+#include "xfs_symlink.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_priv.h"
 
 #include <linux/capability.h>
 #include <linux/xattr.h>
@@ -87,10 +92,12 @@ xfs_init_security(
 static void
 xfs_dentry_to_name(
        struct xfs_name *namep,
-       struct dentry   *dentry)
+       struct dentry   *dentry,
+       int             mode)
 {
        namep->name = dentry->d_name.name;
        namep->len = dentry->d_name.len;
+       namep->type = xfs_mode_to_ftype[(mode & S_IFMT) >> S_SHIFT];
 }
 
 STATIC void
@@ -106,7 +113,7 @@ xfs_cleanup_inode(
         * xfs_init_security we must back out.
         * ENOSPC can hit here, among other things.
         */
-       xfs_dentry_to_name(&teardown, dentry);
+       xfs_dentry_to_name(&teardown, dentry, 0);
 
        xfs_remove(XFS_I(dir), &teardown, XFS_I(inode));
        iput(inode);
@@ -146,7 +153,7 @@ xfs_vn_mknod(
                        mode &= ~current_umask();
        }
 
-       xfs_dentry_to_name(&name, dentry);
+       xfs_dentry_to_name(&name, dentry, mode);
        error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip);
        if (unlikely(error))
                goto out_free_acl;
@@ -207,7 +214,7 @@ xfs_vn_lookup(
        if (dentry->d_name.len >= MAXNAMELEN)
                return ERR_PTR(-ENAMETOOLONG);
 
-       xfs_dentry_to_name(&name, dentry);
+       xfs_dentry_to_name(&name, dentry, 0);
        error = xfs_lookup(XFS_I(dir), &name, &cip, NULL);
        if (unlikely(error)) {
                if (unlikely(error != ENOENT))
@@ -234,7 +241,7 @@ xfs_vn_ci_lookup(
        if (dentry->d_name.len >= MAXNAMELEN)
                return ERR_PTR(-ENAMETOOLONG);
 
-       xfs_dentry_to_name(&xname, dentry);
+       xfs_dentry_to_name(&xname, dentry, 0);
        error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name);
        if (unlikely(error)) {
                if (unlikely(error != ENOENT))
@@ -269,7 +276,7 @@ xfs_vn_link(
        struct xfs_name name;
        int             error;
 
-       xfs_dentry_to_name(&name, dentry);
+       xfs_dentry_to_name(&name, dentry, inode->i_mode);
 
        error = xfs_link(XFS_I(dir), XFS_I(inode), &name);
        if (unlikely(error))
@@ -288,7 +295,7 @@ xfs_vn_unlink(
        struct xfs_name name;
        int             error;
 
-       xfs_dentry_to_name(&name, dentry);
+       xfs_dentry_to_name(&name, dentry, 0);
 
        error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode));
        if (error)
@@ -318,7 +325,7 @@ xfs_vn_symlink(
 
        mode = S_IFLNK |
                (irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO);
-       xfs_dentry_to_name(&name, dentry);
+       xfs_dentry_to_name(&name, dentry, mode);
 
        error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip);
        if (unlikely(error))
@@ -350,12 +357,12 @@ xfs_vn_rename(
        struct xfs_name oname;
        struct xfs_name nname;
 
-       xfs_dentry_to_name(&oname, odentry);
-       xfs_dentry_to_name(&nname, ndentry);
+       xfs_dentry_to_name(&oname, odentry, 0);
+       xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode);
 
        return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
                           XFS_I(ndir), &nname, new_inode ?
-                                               XFS_I(new_inode) : NULL);
+                                               XFS_I(new_inode) : NULL);
 }
 
 /*
@@ -420,8 +427,8 @@ xfs_vn_getattr(
        stat->dev = inode->i_sb->s_dev;
        stat->mode = ip->i_d.di_mode;
        stat->nlink = ip->i_d.di_nlink;
-       stat->uid = ip->i_d.di_uid;
-       stat->gid = ip->i_d.di_gid;
+       stat->uid = inode->i_uid;
+       stat->gid = inode->i_gid;
        stat->ino = ip->i_ino;
        stat->atime = inode->i_atime;
        stat->mtime = inode->i_mtime;
@@ -485,8 +492,8 @@ xfs_setattr_nonsize(
        int                     mask = iattr->ia_valid;
        xfs_trans_t             *tp;
        int                     error;
-       uid_t                   uid = 0, iuid = 0;
-       gid_t                   gid = 0, igid = 0;
+       kuid_t                  uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID;
+       kgid_t                  gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID;
        struct xfs_dquot        *udqp = NULL, *gdqp = NULL;
        struct xfs_dquot        *olddquot1 = NULL, *olddquot2 = NULL;
 
@@ -522,13 +529,13 @@ xfs_setattr_nonsize(
                        uid = iattr->ia_uid;
                        qflags |= XFS_QMOPT_UQUOTA;
                } else {
-                       uid = ip->i_d.di_uid;
+                       uid = inode->i_uid;
                }
                if ((mask & ATTR_GID) && XFS_IS_GQUOTA_ON(mp)) {
                        gid = iattr->ia_gid;
                        qflags |= XFS_QMOPT_GQUOTA;
                }  else {
-                       gid = ip->i_d.di_gid;
+                       gid = inode->i_gid;
                }
 
                /*
@@ -538,14 +545,16 @@ xfs_setattr_nonsize(
                 */
                ASSERT(udqp == NULL);
                ASSERT(gdqp == NULL);
-               error = xfs_qm_vop_dqalloc(ip, uid, gid, xfs_get_projid(ip),
-                                        qflags, &udqp, &gdqp, NULL);
+               error = xfs_qm_vop_dqalloc(ip, xfs_kuid_to_uid(uid),
+                                          xfs_kgid_to_gid(gid),
+                                          xfs_get_projid(ip),
+                                          qflags, &udqp, &gdqp, NULL);
                if (error)
                        return error;
        }
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
-       error = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
+       error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0);
        if (error)
                goto out_dqrele;
 
@@ -561,8 +570,8 @@ xfs_setattr_nonsize(
                 * while we didn't have the inode locked, inode's dquot(s)
                 * would have changed also.
                 */
-               iuid = ip->i_d.di_uid;
-               igid = ip->i_d.di_gid;
+               iuid = inode->i_uid;
+               igid = inode->i_gid;
                gid = (mask & ATTR_GID) ? iattr->ia_gid : igid;
                uid = (mask & ATTR_UID) ? iattr->ia_uid : iuid;
 
@@ -571,8 +580,8 @@ xfs_setattr_nonsize(
                 * going to change.
                 */
                if (XFS_IS_QUOTA_RUNNING(mp) &&
-                   ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
-                    (XFS_IS_GQUOTA_ON(mp) && igid != gid))) {
+                   ((XFS_IS_UQUOTA_ON(mp) && !uid_eq(iuid, uid)) ||
+                    (XFS_IS_GQUOTA_ON(mp) && !gid_eq(igid, gid)))) {
                        ASSERT(tp);
                        error = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
                                                NULL, capable(CAP_FOWNER) ?
@@ -602,17 +611,17 @@ xfs_setattr_nonsize(
                 * Change the ownerships and register quota modifications
                 * in the transaction.
                 */
-               if (iuid != uid) {
+               if (!uid_eq(iuid, uid)) {
                        if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) {
                                ASSERT(mask & ATTR_UID);
                                ASSERT(udqp);
                                olddquot1 = xfs_qm_vop_chown(tp, ip,
                                                        &ip->i_udquot, udqp);
                        }
-                       ip->i_d.di_uid = uid;
+                       ip->i_d.di_uid = xfs_kuid_to_uid(uid);
                        inode->i_uid = uid;
                }
-               if (igid != gid) {
+               if (!gid_eq(igid, gid)) {
                        if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
                                ASSERT(!XFS_IS_PQUOTA_ON(mp));
                                ASSERT(mask & ATTR_GID);
@@ -620,7 +629,7 @@ xfs_setattr_nonsize(
                                olddquot2 = xfs_qm_vop_chown(tp, ip,
                                                        &ip->i_gdquot, gdqp);
                        }
-                       ip->i_d.di_gid = gid;
+                       ip->i_d.di_gid = xfs_kgid_to_gid(gid);
                        inode->i_gid = gid;
                }
        }
@@ -701,8 +710,7 @@ out_dqrele:
 int
 xfs_setattr_size(
        struct xfs_inode        *ip,
-       struct iattr            *iattr,
-       int                     flags)
+       struct iattr            *iattr)
 {
        struct xfs_mount        *mp = ip->i_mount;
        struct inode            *inode = VFS_I(ip);
@@ -725,15 +733,11 @@ xfs_setattr_size(
        if (error)
                return XFS_ERROR(error);
 
+       ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));
        ASSERT(S_ISREG(ip->i_d.di_mode));
        ASSERT((mask & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
                        ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
 
-       if (!(flags & XFS_ATTR_NOLOCK)) {
-               lock_flags |= XFS_IOLOCK_EXCL;
-               xfs_ilock(ip, lock_flags);
-       }
-
        oldsize = inode->i_size;
        newsize = iattr->ia_size;
 
@@ -742,12 +746,11 @@ xfs_setattr_size(
         */
        if (newsize == 0 && oldsize == 0 && ip->i_d.di_nextents == 0) {
                if (!(mask & (ATTR_CTIME|ATTR_MTIME)))
-                       goto out_unlock;
+                       return 0;
 
                /*
                 * Use the regular setattr path to update the timestamps.
                 */
-               xfs_iunlock(ip, lock_flags);
                iattr->ia_valid &= ~ATTR_SIZE;
                return xfs_setattr_nonsize(ip, iattr, 0);
        }
@@ -757,7 +760,7 @@ xfs_setattr_size(
         */
        error = xfs_qm_dqattach(ip, 0);
        if (error)
-               goto out_unlock;
+               return error;
 
        /*
         * Now we can make the changes.  Before we join the inode to the
@@ -775,7 +778,7 @@ xfs_setattr_size(
                 */
                error = xfs_zero_eof(ip, newsize, oldsize);
                if (error)
-                       goto out_unlock;
+                       return error;
        }
 
        /*
@@ -794,7 +797,7 @@ xfs_setattr_size(
                error = -filemap_write_and_wait_range(VFS_I(ip)->i_mapping,
                                                      ip->i_d.di_size, newsize);
                if (error)
-                       goto out_unlock;
+                       return error;
        }
 
        /*
@@ -804,12 +807,10 @@ xfs_setattr_size(
 
        error = -block_truncate_page(inode->i_mapping, newsize, xfs_get_blocks);
        if (error)
-               goto out_unlock;
+               return error;
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_SIZE);
-       error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0,
-                                XFS_TRANS_PERM_LOG_RES,
-                                XFS_ITRUNCATE_LOG_COUNT);
+       error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0);
        if (error)
                goto out_trans_cancel;
 
@@ -910,12 +911,21 @@ out_trans_cancel:
 
 STATIC int
 xfs_vn_setattr(
-       struct dentry   *dentry,
-       struct iattr    *iattr)
+       struct dentry           *dentry,
+       struct iattr            *iattr)
 {
-       if (iattr->ia_valid & ATTR_SIZE)
-               return -xfs_setattr_size(XFS_I(dentry->d_inode), iattr, 0);
-       return -xfs_setattr_nonsize(XFS_I(dentry->d_inode), iattr, 0);
+       struct xfs_inode        *ip = XFS_I(dentry->d_inode);
+       int                     error;
+
+       if (iattr->ia_valid & ATTR_SIZE) {
+               xfs_ilock(ip, XFS_IOLOCK_EXCL);
+               error = xfs_setattr_size(ip, iattr);
+               xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+       } else {
+               error = xfs_setattr_nonsize(ip, iattr, 0);
+       }
+
+       return -error;
 }
 
 STATIC int
@@ -932,7 +942,7 @@ xfs_vn_update_time(
        trace_xfs_update_time(ip);
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_FSYNC_TS);
-       error = xfs_trans_reserve(tp, 0, XFS_FSYNC_TS_LOG_RES(mp), 0, 0, 0);
+       error = xfs_trans_reserve(tp, &M_RES(mp)->tr_fsyncts, 0, 0);
        if (error) {
                xfs_trans_cancel(tp, 0);
                return -error;
@@ -1173,8 +1183,8 @@ xfs_setup_inode(
 
        inode->i_mode   = ip->i_d.di_mode;
        set_nlink(inode, ip->i_d.di_nlink);
-       inode->i_uid    = ip->i_d.di_uid;
-       inode->i_gid    = ip->i_d.di_gid;
+       inode->i_uid    = xfs_uid_to_kuid(ip->i_d.di_uid);
+       inode->i_gid    = xfs_gid_to_kgid(ip->i_d.di_gid);
 
        switch (inode->i_mode & S_IFMT) {
        case S_IFBLK:
This page took 0.030781 seconds and 5 git commands to generate.