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Merge pull request #4932 from wkennington/master.zfs

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zfs: Add upstream patch bc151f7 to fix kernel 3.18 builds
This commit is contained in:
Ricardo M. Correia 2014-11-12 21:56:02 +01:00
commit 2c038410ea
2 changed files with 69 additions and 1 deletions
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6
pkgs/os-specific/linux/zfs/default.nix
View File

@ -8,7 +8,11 @@ stdenv.mkDerivation {
sha256 = "06rrip9fxn13x6qnyp6br68r9pcygb95lld25hnnj88m2vagvg19"; sha256 = "06rrip9fxn13x6qnyp6br68r9pcygb95lld25hnnj88m2vagvg19";
}; };
patches = [ ./mount_zfs_prefix.patch ./nix-build.patch ]; patches = [
./mount_zfs_prefix.patch
./nix-build.patch # Remove in >=0.6.4
./remove-lock-checks.patch # Remove in >=0.6.4
];
buildInputs = [ spl perl autoconf automake libtool zlib libuuid coreutils ]; buildInputs = [ spl perl autoconf automake libtool zlib libuuid coreutils ];

64
pkgs/os-specific/linux/zfs/remove-lock-checks.patch Normal file
View File

@ -0,0 +1,64 @@
diff --git a/module/zfs/zfs_vnops.c b/module/zfs/zfs_vnops.c
index 33f9e0e..2f55e56 100644
--- a/module/zfs/zfs_vnops.c
+++ b/module/zfs/zfs_vnops.c
@@ -474,15 +474,6 @@ zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr)
}
/*
- * Check for mandatory locks
- */
- if (mandatory_lock(ip) &&
- !lock_may_read(ip, uio->uio_loffset, uio->uio_resid)) {
- ZFS_EXIT(zsb);
- return (SET_ERROR(EAGAIN));
- }
-
- /*
* If we're in FRSYNC mode, sync out this znode before reading it.
*/
if (ioflag & FRSYNC || zsb->z_os->os_sync == ZFS_SYNC_ALWAYS)
@@ -651,15 +642,6 @@ zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr)
}
/*
- * Check for mandatory locks before calling zfs_range_lock()
- * in order to prevent a deadlock with locks set via fcntl().
- */
- if (mandatory_lock(ip) && !lock_may_write(ip, woff, n)) {
- ZFS_EXIT(zsb);
- return (SET_ERROR(EAGAIN));
- }
-
- /*
* Pre-fault the pages to ensure slow (eg NFS) pages
* don't hold up txg.
* Skip this if uio contains loaned arc_buf.
diff --git a/module/zfs/zfs_znode.c b/module/zfs/zfs_znode.c
index 90dbfd3..f02c021 100644
--- a/module/zfs/zfs_znode.c
+++ b/module/zfs/zfs_znode.c
@@ -1546,7 +1546,6 @@ zfs_trunc(znode_t *zp, uint64_t end)
int
zfs_freesp(znode_t *zp, uint64_t off, uint64_t len, int flag, boolean_t log)
{
- struct inode *ip = ZTOI(zp);
dmu_tx_t *tx;
zfs_sb_t *zsb = ZTOZSB(zp);
zilog_t *zilog = zsb->z_log;
@@ -1567,15 +1566,6 @@ zfs_freesp(znode_t *zp, uint64_t off, uint64_t len, int flag, boolean_t log)
goto out;
}
- /*
- * Check for any locks in the region to be freed.
- */
- if (ip->i_flock && mandatory_lock(ip)) {
- uint64_t length = (len ? len : zp->z_size - off);
- if (!lock_may_write(ip, off, length))
- return (SET_ERROR(EAGAIN));
- }
-
if (len == 0) {
error = zfs_trunc(zp, off);
} else {