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Diffstat (limited to 'fs/gfs2/ops_inode.c')
-rw-r--r--fs/gfs2/ops_inode.c75
1 files changed, 60 insertions, 15 deletions
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index d232991b904..49877546beb 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -19,6 +19,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/lm_interface.h>
+#include <linux/fiemap.h>
#include <asm/uaccess.h>
#include "gfs2.h"
@@ -31,12 +32,11 @@
#include "glock.h"
#include "inode.h"
#include "meta_io.h"
-#include "ops_dentry.h"
-#include "ops_inode.h"
#include "quota.h"
#include "rgrp.h"
#include "trans.h"
#include "util.h"
+#include "super.h"
/**
* gfs2_create - Create a file
@@ -185,7 +185,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
if (!dip->i_inode.i_nlink)
goto out_gunlock;
error = -EFBIG;
- if (dip->i_di.di_entries == (u32)-1)
+ if (dip->i_entries == (u32)-1)
goto out_gunlock;
error = -EPERM;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
@@ -371,7 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
ip = ghs[1].gh_gl->gl_object;
- ip->i_di.di_size = size;
+ ip->i_disksize = size;
error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -425,9 +425,9 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode)
ip = ghs[1].gh_gl->gl_object;
ip->i_inode.i_nlink = 2;
- ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
- ip->i_di.di_flags |= GFS2_DIF_JDATA;
- ip->i_di.di_entries = 2;
+ ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
+ ip->i_diskflags |= GFS2_DIF_JDATA;
+ ip->i_entries = 2;
error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -517,13 +517,13 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry)
if (error)
goto out_gunlock;
- if (ip->i_di.di_entries < 2) {
+ if (ip->i_entries < 2) {
if (gfs2_consist_inode(ip))
gfs2_dinode_print(ip);
error = -EIO;
goto out_gunlock;
}
- if (ip->i_di.di_entries > 2) {
+ if (ip->i_entries > 2) {
error = -ENOTEMPTY;
goto out_gunlock;
}
@@ -726,13 +726,13 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
if (S_ISDIR(nip->i_inode.i_mode)) {
- if (nip->i_di.di_entries < 2) {
+ if (nip->i_entries < 2) {
if (gfs2_consist_inode(nip))
gfs2_dinode_print(nip);
error = -EIO;
goto out_gunlock;
}
- if (nip->i_di.di_entries > 2) {
+ if (nip->i_entries > 2) {
error = -ENOTEMPTY;
goto out_gunlock;
}
@@ -758,7 +758,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
error = -EINVAL;
goto out_gunlock;
}
- if (ndip->i_di.di_entries == (u32)-1) {
+ if (ndip->i_entries == (u32)-1) {
error = -EFBIG;
goto out_gunlock;
}
@@ -990,7 +990,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
struct gfs2_sbd *sdp = GFS2_SB(inode);
int error;
- if (attr->ia_size != ip->i_di.di_size) {
+ if (attr->ia_size != ip->i_disksize) {
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (error)
return error;
@@ -1001,8 +1001,8 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
}
error = gfs2_truncatei(ip, attr->ia_size);
- if (error && (inode->i_size != ip->i_di.di_size))
- i_size_write(inode, ip->i_di.di_size);
+ if (error && (inode->i_size != ip->i_disksize))
+ i_size_write(inode, ip->i_disksize);
return error;
}
@@ -1212,6 +1212,48 @@ static int gfs2_removexattr(struct dentry *dentry, const char *name)
return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er);
}
+static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len)
+{
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
+
+ ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC);
+ if (ret)
+ return ret;
+
+ mutex_lock(&inode->i_mutex);
+
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ if (ret)
+ goto out;
+
+ if (gfs2_is_stuffed(ip)) {
+ u64 phys = ip->i_no_addr << inode->i_blkbits;
+ u64 size = i_size_read(inode);
+ u32 flags = FIEMAP_EXTENT_LAST|FIEMAP_EXTENT_NOT_ALIGNED|
+ FIEMAP_EXTENT_DATA_INLINE;
+ phys += sizeof(struct gfs2_dinode);
+ phys += start;
+ if (start + len > size)
+ len = size - start;
+ if (start < size)
+ ret = fiemap_fill_next_extent(fieinfo, start, phys,
+ len, flags);
+ if (ret == 1)
+ ret = 0;
+ } else {
+ ret = __generic_block_fiemap(inode, fieinfo, start, len,
+ gfs2_block_map);
+ }
+
+ gfs2_glock_dq_uninit(&gh);
+out:
+ mutex_unlock(&inode->i_mutex);
+ return ret;
+}
+
const struct inode_operations gfs2_file_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
@@ -1220,6 +1262,7 @@ const struct inode_operations gfs2_file_iops = {
.getxattr = gfs2_getxattr,
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
+ .fiemap = gfs2_fiemap,
};
const struct inode_operations gfs2_dir_iops = {
@@ -1239,6 +1282,7 @@ const struct inode_operations gfs2_dir_iops = {
.getxattr = gfs2_getxattr,
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
+ .fiemap = gfs2_fiemap,
};
const struct inode_operations gfs2_symlink_iops = {
@@ -1251,5 +1295,6 @@ const struct inode_operations gfs2_symlink_iops = {
.getxattr = gfs2_getxattr,
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
+ .fiemap = gfs2_fiemap,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-28 02:50:54 +0000