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Diffstat (limited to 'fs/efs/inode.c')
-rw-r--r--fs/efs/inode.c64
1 files changed, 33 insertions, 31 deletions
diff --git a/fs/efs/inode.c b/fs/efs/inode.c
index f3913eb2c474..28407578f83a 100644
--- a/fs/efs/inode.c
+++ b/fs/efs/inode.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* inode.c
*
@@ -13,16 +14,18 @@
#include "efs.h"
#include <linux/efs_fs_sb.h>
-static int efs_readpage(struct file *file, struct page *page)
+static int efs_read_folio(struct file *file, struct folio *folio)
{
- return block_read_full_page(page,efs_get_block);
+ return block_read_full_folio(folio, efs_get_block);
}
+
static sector_t _efs_bmap(struct address_space *mapping, sector_t block)
{
return generic_block_bmap(mapping,block,efs_get_block);
}
+
static const struct address_space_operations efs_aops = {
- .readpage = efs_readpage,
+ .read_folio = efs_read_folio,
.bmap = _efs_bmap
};
@@ -57,9 +60,9 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
struct inode *inode;
inode = iget_locked(super, ino);
- if (IS_ERR(inode))
+ if (!inode)
return ERR_PTR(-ENOMEM);
- if (!(inode->i_state & I_NEW))
+ if (!(inode_state_read_once(inode) & I_NEW))
return inode;
in = INODE_INFO(inode);
@@ -89,7 +92,7 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
bh = sb_bread(inode->i_sb, block);
if (!bh) {
- printk(KERN_WARNING "EFS: bread() failed at block %d\n", block);
+ pr_warn("%s() failed at block %d\n", __func__, block);
goto read_inode_error;
}
@@ -100,10 +103,9 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
i_uid_write(inode, (uid_t)be16_to_cpu(efs_inode->di_uid));
i_gid_write(inode, (gid_t)be16_to_cpu(efs_inode->di_gid));
inode->i_size = be32_to_cpu(efs_inode->di_size);
- inode->i_atime.tv_sec = be32_to_cpu(efs_inode->di_atime);
- inode->i_mtime.tv_sec = be32_to_cpu(efs_inode->di_mtime);
- inode->i_ctime.tv_sec = be32_to_cpu(efs_inode->di_ctime);
- inode->i_atime.tv_nsec = inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = 0;
+ inode_set_atime(inode, be32_to_cpu(efs_inode->di_atime), 0);
+ inode_set_mtime(inode, be32_to_cpu(efs_inode->di_mtime), 0);
+ inode_set_ctime(inode, be32_to_cpu(efs_inode->di_ctime), 0);
/* this is the number of blocks in the file */
if (inode->i_size == 0) {
@@ -130,19 +132,16 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
for(i = 0; i < EFS_DIRECTEXTENTS; i++) {
extent_copy(&(efs_inode->di_u.di_extents[i]), &(in->extents[i]));
if (i < in->numextents && in->extents[i].cooked.ex_magic != 0) {
- printk(KERN_WARNING "EFS: extent %d has bad magic number in inode %lu\n", i, inode->i_ino);
+ pr_warn("extent %d has bad magic number in inode %lu\n",
+ i, inode->i_ino);
brelse(bh);
goto read_inode_error;
}
}
brelse(bh);
-
-#ifdef DEBUG
- printk(KERN_DEBUG "EFS: efs_iget(): inode %lu, extents %d, mode %o\n",
- inode->i_ino, in->numextents, inode->i_mode);
-#endif
-
+ pr_debug("efs_iget(): inode %lu, extents %d, mode %o\n",
+ inode->i_ino, in->numextents, inode->i_mode);
switch (inode->i_mode & S_IFMT) {
case S_IFDIR:
inode->i_op = &efs_dir_inode_operations;
@@ -154,6 +153,7 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
break;
case S_IFLNK:
inode->i_op = &page_symlink_inode_operations;
+ inode_nohighmem(inode);
inode->i_data.a_ops = &efs_symlink_aops;
break;
case S_IFCHR:
@@ -162,7 +162,7 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
init_special_inode(inode, inode->i_mode, device);
break;
default:
- printk(KERN_WARNING "EFS: unsupported inode mode %o\n", inode->i_mode);
+ pr_warn("unsupported inode mode %o\n", inode->i_mode);
goto read_inode_error;
break;
}
@@ -171,7 +171,7 @@ struct inode *efs_iget(struct super_block *super, unsigned long ino)
return inode;
read_inode_error:
- printk(KERN_WARNING "EFS: failed to read inode %lu\n", inode->i_ino);
+ pr_warn("failed to read inode %lu\n", inode->i_ino);
iget_failed(inode);
return ERR_PTR(-EIO);
}
@@ -216,7 +216,7 @@ efs_block_t efs_map_block(struct inode *inode, efs_block_t block) {
/* if we only have one extent then nothing can be found */
if (in->numextents == 1) {
- printk(KERN_ERR "EFS: map_block() failed to map (1 extent)\n");
+ pr_err("%s() failed to map (1 extent)\n", __func__);
return 0;
}
@@ -234,13 +234,12 @@ efs_block_t efs_map_block(struct inode *inode, efs_block_t block) {
}
}
- printk(KERN_ERR "EFS: map_block() failed to map block %u (dir)\n", block);
+ pr_err("%s() failed to map block %u (dir)\n", __func__, block);
return 0;
}
-#ifdef DEBUG
- printk(KERN_DEBUG "EFS: map_block(): indirect search for logical block %u\n", block);
-#endif
+ pr_debug("%s(): indirect search for logical block %u\n",
+ __func__, block);
direxts = in->extents[0].cooked.ex_offset;
indexts = in->numextents;
@@ -262,7 +261,8 @@ efs_block_t efs_map_block(struct inode *inode, efs_block_t block) {
if (dirext == direxts) {
/* should never happen */
- printk(KERN_ERR "EFS: couldn't find direct extent for indirect extent %d (block %u)\n", cur, block);
+ pr_err("couldn't find direct extent for indirect extent %d (block %u)\n",
+ cur, block);
if (bh) brelse(bh);
return 0;
}
@@ -279,12 +279,12 @@ efs_block_t efs_map_block(struct inode *inode, efs_block_t block) {
bh = sb_bread(inode->i_sb, iblock);
if (!bh) {
- printk(KERN_ERR "EFS: bread() failed at block %d\n", iblock);
+ pr_err("%s() failed at block %d\n",
+ __func__, iblock);
return 0;
}
-#ifdef DEBUG
- printk(KERN_DEBUG "EFS: map_block(): read indirect extent block %d\n", iblock);
-#endif
+ pr_debug("%s(): read indirect extent block %d\n",
+ __func__, iblock);
first = 0;
lastblock = iblock;
}
@@ -294,7 +294,8 @@ efs_block_t efs_map_block(struct inode *inode, efs_block_t block) {
extent_copy(&(exts[ioffset]), &ext);
if (ext.cooked.ex_magic != 0) {
- printk(KERN_ERR "EFS: extent %d has bad magic number in block %d\n", cur, iblock);
+ pr_err("extent %d has bad magic number in block %d\n",
+ cur, iblock);
if (bh) brelse(bh);
return 0;
}
@@ -306,8 +307,9 @@ efs_block_t efs_map_block(struct inode *inode, efs_block_t block) {
}
}
if (bh) brelse(bh);
- printk(KERN_ERR "EFS: map_block() failed to map block %u (indir)\n", block);
+ pr_err("%s() failed to map block %u (indir)\n", __func__, block);
return 0;
}
+MODULE_DESCRIPTION("Extent File System (efs)");
MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2025-12-21 21:47:56 +0000