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path: root/fs/freevxfs/vxfs_inode.c
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Diffstat (limited to 'fs/freevxfs/vxfs_inode.c')
-rw-r--r--fs/freevxfs/vxfs_inode.c96
1 files changed, 57 insertions, 39 deletions
diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c
index f544aae9169..363e3ae25f6 100644
--- a/fs/freevxfs/vxfs_inode.c
+++ b/fs/freevxfs/vxfs_inode.c
@@ -41,12 +41,7 @@
#include "vxfs_extern.h"
-extern struct address_space_operations vxfs_aops;
-extern struct address_space_operations vxfs_immed_aops;
-
-extern struct inode_operations vxfs_immed_symlink_iops;
-
-kmem_cache_t *vxfs_inode_cachep;
+struct kmem_cache *vxfs_inode_cachep;
#ifdef DIAGNOSTIC
@@ -99,11 +94,11 @@ vxfs_blkiget(struct super_block *sbp, u_long extent, ino_t ino)
offset = ((ino % (sbp->s_blocksize / VXFS_ISIZE)) * VXFS_ISIZE);
bp = sb_bread(sbp, block);
- if (buffer_mapped(bp)) {
+ if (bp && buffer_mapped(bp)) {
struct vxfs_inode_info *vip;
struct vxfs_dinode *dip;
- if (!(vip = kmem_cache_alloc(vxfs_inode_cachep, SLAB_KERNEL)))
+ if (!(vip = kmem_cache_alloc(vxfs_inode_cachep, GFP_KERNEL)))
goto fail;
dip = (struct vxfs_dinode *)(bp->b_data + offset);
memcpy(vip, dip, sizeof(*vip));
@@ -129,7 +124,7 @@ fail:
* Description:
* Search the for inode number @ino in the filesystem
* described by @sbp. Use the specified inode table (@ilistp).
- * Returns the matching VxFS inode on success, else a NULL pointer.
+ * Returns the matching VxFS inode on success, else an error code.
*/
static struct vxfs_inode_info *
__vxfs_iget(ino_t ino, struct inode *ilistp)
@@ -145,7 +140,7 @@ __vxfs_iget(ino_t ino, struct inode *ilistp)
struct vxfs_dinode *dip;
caddr_t kaddr = (char *)page_address(pp);
- if (!(vip = kmem_cache_alloc(vxfs_inode_cachep, SLAB_KERNEL)))
+ if (!(vip = kmem_cache_alloc(vxfs_inode_cachep, GFP_KERNEL)))
goto fail;
dip = (struct vxfs_dinode *)(kaddr + offset);
memcpy(vip, dip, sizeof(*vip));
@@ -157,12 +152,12 @@ __vxfs_iget(ino_t ino, struct inode *ilistp)
}
printk(KERN_WARNING "vxfs: error on page %p\n", pp);
- return NULL;
+ return ERR_CAST(pp);
fail:
printk(KERN_WARNING "vxfs: unable to read inode %ld\n", (unsigned long)ino);
vxfs_put_page(pp);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
/**
@@ -178,7 +173,10 @@ fail:
struct vxfs_inode_info *
vxfs_stiget(struct super_block *sbp, ino_t ino)
{
- return __vxfs_iget(ino, VXFS_SBI(sbp)->vsi_stilist);
+ struct vxfs_inode_info *vip;
+
+ vip = __vxfs_iget(ino, VXFS_SBI(sbp)->vsi_stilist);
+ return IS_ERR(vip) ? NULL : vip;
}
/**
@@ -189,10 +187,10 @@ vxfs_stiget(struct super_block *sbp, ino_t ino)
* vxfs_transmod returns a Linux mode_t for a given
* VxFS inode structure.
*/
-static __inline__ mode_t
+static __inline__ umode_t
vxfs_transmod(struct vxfs_inode_info *vip)
{
- mode_t ret = vip->vii_mode & ~VXFS_TYPE_MASK;
+ umode_t ret = vip->vii_mode & ~VXFS_TYPE_MASK;
if (VXFS_ISFIFO(vip))
ret |= S_IFIFO;
@@ -226,10 +224,10 @@ vxfs_iinit(struct inode *ip, struct vxfs_inode_info *vip)
{
ip->i_mode = vxfs_transmod(vip);
- ip->i_uid = (uid_t)vip->vii_uid;
- ip->i_gid = (gid_t)vip->vii_gid;
+ i_uid_write(ip, (uid_t)vip->vii_uid);
+ i_gid_write(ip, (gid_t)vip->vii_gid);
- ip->i_nlink = vip->vii_nlink;
+ set_nlink(ip, vip->vii_nlink);
ip->i_size = vip->vii_size;
ip->i_atime.tv_sec = vip->vii_atime;
@@ -239,11 +237,10 @@ vxfs_iinit(struct inode *ip, struct vxfs_inode_info *vip)
ip->i_ctime.tv_nsec = 0;
ip->i_mtime.tv_nsec = 0;
- ip->i_blksize = PAGE_SIZE;
ip->i_blocks = vip->vii_blocks;
ip->i_generation = vip->vii_gen;
- ip->u.generic_ip = (void *)vip;
+ ip->i_private = vip;
}
@@ -263,6 +260,7 @@ vxfs_get_fake_inode(struct super_block *sbp, struct vxfs_inode_info *vip)
struct inode *ip = NULL;
if ((ip = new_inode(sbp))) {
+ ip->i_ino = get_next_ino();
vxfs_iinit(ip, vip);
ip->i_mapping->a_ops = &vxfs_aops;
}
@@ -274,7 +272,7 @@ vxfs_get_fake_inode(struct super_block *sbp, struct vxfs_inode_info *vip)
* *ip: VFS inode
*
* Description:
- * vxfs_put_fake_inode frees all data asssociated with @ip.
+ * vxfs_put_fake_inode frees all data associated with @ip.
*/
void
vxfs_put_fake_inode(struct inode *ip)
@@ -283,23 +281,32 @@ vxfs_put_fake_inode(struct inode *ip)
}
/**
- * vxfs_read_inode - fill in inode information
- * @ip: inode pointer to fill
+ * vxfs_iget - get an inode
+ * @sbp: the superblock to get the inode for
+ * @ino: the number of the inode to get
*
* Description:
- * vxfs_read_inode reads the disk inode for @ip and fills
- * in all relevant fields in @ip.
+ * vxfs_read_inode creates an inode, reads the disk inode for @ino and fills
+ * in all relevant fields in the new inode.
*/
-void
-vxfs_read_inode(struct inode *ip)
+struct inode *
+vxfs_iget(struct super_block *sbp, ino_t ino)
{
- struct super_block *sbp = ip->i_sb;
struct vxfs_inode_info *vip;
- struct address_space_operations *aops;
- ino_t ino = ip->i_ino;
-
- if (!(vip = __vxfs_iget(ino, VXFS_SBI(sbp)->vsi_ilist)))
- return;
+ const struct address_space_operations *aops;
+ struct inode *ip;
+
+ ip = iget_locked(sbp, ino);
+ if (!ip)
+ return ERR_PTR(-ENOMEM);
+ if (!(ip->i_state & I_NEW))
+ return ip;
+
+ vip = __vxfs_iget(ino, VXFS_SBI(sbp)->vsi_ilist);
+ if (IS_ERR(vip)) {
+ iget_failed(ip);
+ return ERR_CAST(vip);
+ }
vxfs_iinit(ip, vip);
@@ -319,24 +326,35 @@ vxfs_read_inode(struct inode *ip)
if (!VXFS_ISIMMED(vip)) {
ip->i_op = &page_symlink_inode_operations;
ip->i_mapping->a_ops = &vxfs_aops;
- } else
+ } else {
ip->i_op = &vxfs_immed_symlink_iops;
+ vip->vii_immed.vi_immed[ip->i_size] = '\0';
+ }
} else
init_special_inode(ip, ip->i_mode, old_decode_dev(vip->vii_rdev));
- return;
+ unlock_new_inode(ip);
+ return ip;
+}
+
+static void vxfs_i_callback(struct rcu_head *head)
+{
+ struct inode *inode = container_of(head, struct inode, i_rcu);
+ kmem_cache_free(vxfs_inode_cachep, inode->i_private);
}
/**
- * vxfs_clear_inode - remove inode from main memory
+ * vxfs_evict_inode - remove inode from main memory
* @ip: inode to discard.
*
* Description:
- * vxfs_clear_inode() is called on the final iput and frees the private
+ * vxfs_evict_inode() is called on the final iput and frees the private
* inode area.
*/
void
-vxfs_clear_inode(struct inode *ip)
+vxfs_evict_inode(struct inode *ip)
{
- kmem_cache_free(vxfs_inode_cachep, ip->u.generic_ip);
+ truncate_inode_pages_final(&ip->i_data);
+ clear_inode(ip);
+ call_rcu(&ip->i_rcu, vxfs_i_callback);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 20:32:56 +0000